2147713024

Appears in sequences

• Numbers k whose abundance sigma(k) - 2*k = -8. Numbers k whose deficiency is 8.at n=14A125247
• a(n) = 2^(n-1)*(2^n+7).at n=16A257272
• Numbers k such that sigma(k) == 0 (mod k-4).at n=20A274554