Numbers / 456

The Number 456

456 is composite: factorization 2^3 × 3 × 19. That gives 456 exactly 16 divisors: 1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456. 456's proper divisors total 744, 288 more than 456 itself, so 456 is abundant. 456 has a digit sum of 15; for 456, the digital root works out to 6. 456: 2, 3, 4, 6, 8, 12 all divide 456 evenly, out of 2-12. 456 is 111001000 in binary and 1C8 in hex; as a Roman numeral it's CDLVI.