Numbers / 544
The Number 544
544 is composite: factorization 2^5 × 17. That gives 544 exactly 12 divisors: 1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544. 544's proper divisors total 590, 46 more than 544 itself, so 544 is abundant. 544 has a digit sum of 13; for 544, the digital root works out to 4. 544: 2, 4, 8 all divide 544 evenly, out of 2-12. 544 is 1000100000 in binary and 220 in hex; as a Roman numeral it's DXLIV.