400221

Appears in sequences

• Numbers k such that k divides s(k), where s(1)=1, s(j) = s(j-1) + j*13^(j-1).at n=25A014953
• Numbers divisible by the 4th power of the sum of their digits in base 10.at n=25A072083
• Positive integers representable by the two cyclotomic binary forms Phi_5(x,y) and Phi_12(u,v).at n=35A345894