Numbers / 912

The Number 912

912 is composite: factorization 2^4 × 3 × 19. That gives 912 exactly 20 divisors: 1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912. 912's proper divisors total 1568, 656 more than 912 itself, so 912 is abundant. 912 has a digit sum of 12; for 912, the digital root works out to 3. 912: 2, 3, 4, 6, 8, 12 all divide 912 evenly, out of 2-12. 912 is 1110010000 in binary and 390 in hex; as a Roman numeral it's CMXII.