Numbers / 432
The Number 432
432 is composite: factorization 2^4 × 3^3. That gives 432 exactly 20 divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432. 432's proper divisors total 808, 376 more than 432 itself, so 432 is abundant. 432 has a digit sum of 9; for 432, the digital root works out to 9. 432: 2, 3, 4, 6, 8, 9, 12 all divide 432 evenly, out of 2-12. 432 is 110110000 in binary and 1B0 in hex; as a Roman numeral it's CDXXXII.