Numbers / 576

The Number 576

576 is composite: factorization 2^6 × 3^2. That gives 576 exactly 21 divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576. 576's proper divisors total 1075, 499 more than 576 itself, so 576 is abundant. 576 is also a perfect square, since 24² = 576. 576 has a digit sum of 18; for 576, the digital root works out to 9. 576: 2, 3, 4, 6, 8, 9, 12 all divide 576 evenly, out of 2-12. 576 is 1001000000 in binary and 240 in hex; as a Roman numeral it's DLXXVI.