Numbers / 560
The Number 560
560 is composite: factorization 2^4 × 5 × 7. That gives 560 exactly 20 divisors: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560. 560's proper divisors total 928, 368 more than 560 itself, so 560 is abundant. 560 has a digit sum of 11; for 560, the digital root works out to 2. 560: 2, 4, 5, 7, 8, 10 all divide 560 evenly, out of 2-12. 560 is 1000110000 in binary and 230 in hex; as a Roman numeral it's DLX.