549759483904
domain: N
Appears in sequences
- Numbers k whose abundance sigma(k) - 2*k = -8. Numbers k whose deficiency is 8.at n=17A125247
- Deficient numbers with increasing abundancy without being powers of 2.at n=26A228450
- Numbers a(n) = 2^(n-1) * f(n), where n >= 1 and f(n) is the smallest prime number larger than 2^n (A014210).at n=19A246956
- a(n) = 2^(n-1)*(2^n+7).at n=20A257272
- Numbers k such that sigma(k) == 0 (mod k-4).at n=23A274554