474
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- yes
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 960
- Proper Divisor Sum (Aliquot Sum)
- 486
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- yes
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 156
- Möbius Function
- -1
- Radical
- 474
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 35
- Smith Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Names
- German
- vierhundertvierundsiebzig· ordinal: vierhundertvierundsiebzigste
- English
- four hundred seventy-four· ordinal: four hundred seventy-fourth
- Spanish
- cuatrocientos setenta y cuatro· ordinal: 474º
- French
- quatre cent soixante-quatorze· ordinal: quatre cent soixante-quatorzième
- Italian
- quattrocentosettantaquattro· ordinal: 474º
- Latin
- quadringenti septuaginta quattuor· ordinal: 474.
- Portuguese
- quatrocentos e setenta e quatro· ordinal: 474º
Appears in sequences
- 9-gonal (or enneagonal or nonagonal) numbers: a(n) = n*(7*n-5)/2.at n=12A001106
- Smallest even number that is an unordered sum of two odd primes in exactly n ways.at n=23A001172
- Number of cubic Hamiltonian graphs with 2n nodes.at n=5A001186
- Convolved Fibonacci numbers.at n=7A001628
- Sum of totient function: a(n) = Sum_{k=1..n} phi(k), cf. A000010.at n=39A002088
- Palindromes in base 10.at n=56A002113
- Numbers k such that the k-th tetrahedral number is the sum of 2 tetrahedral numbers.at n=15A002311
- Coefficients in the asymptotic expansions of modified Hankel functions h_1(z) and h_2(z), rounded to nearest integer.at n=8A002514
- Erroneous version of A174313.at n=5A002933
- Continued fraction for cube root of 5.at n=73A002948
- Numbers k such that 2*7^k - 1 is prime.at n=10A002959
- The square sieve.at n=37A002960
- a(n) = A001950(A003234(n)) + 1.at n=49A003249
- Number of 2-factors in K_4 X P_n.at n=2A003770
- Sequence b_3 (n) arising from homology of partitions with even number of blocks.at n=4A003993
- Untouchable numbers, also called nonaliquot numbers: impossible values for the sum of aliquot parts function (A001065).at n=36A005114
- Record gaps between primes.at n=41A005250
- Noncototients: numbers k such that x - phi(x) = k has no solution.at n=45A005278
- If k appears so do 2k+2 and 3k+3. (duplicates omitted.)at n=51A005660
- Sorting numbers: number of comparisons in Batcher's parallel sort.at n=56A006282