Numbers / 546

The Number 546

546 is composite: factorization 2 × 3 × 7 × 13. That gives 546 exactly 16 divisors: 1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546. 546's proper divisors total 798, 252 more than 546 itself, so 546 is abundant. 546 has a digit sum of 15; for 546, the digital root works out to 6. 546: 2, 3, 6, 7 all divide 546 evenly, out of 2-12. 546 is 1000100010 in binary and 222 in hex; as a Roman numeral it's DXLVI.