453096

Appears in sequences

• a(n) = lcm(n,n+1,n+2,n+3,n+4,n+5)/60.at n=27A189046
• Numbers k such that sigma(phi(k)) - phi(k) = phi(sigma(k)), where phi(k) is the Euler totient function of k and sigma(k) is the sum of the divisors of k.at n=27A271633