Numbers / 880
The Number 880
880 is composite: factorization 2^4 × 5 × 11. That gives 880 exactly 20 divisors: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880. 880's proper divisors total 1352, 472 more than 880 itself, so 880 is abundant. 880 has a digit sum of 16; for 880, the digital root works out to 7. 880: 2, 4, 5, 8, 10, 11 all divide 880 evenly, out of 2-12. 880 is 1101110000 in binary and 370 in hex; as a Roman numeral it's DCCCLXXX.