Numbers / 484

The Number 484

484 is composite: factorization 2^2 × 11^2. That gives 484 exactly 9 divisors: 1, 2, 4, 11, 22, 44, 121, 242, 484. 484's proper divisors total just 447, 37 short of 484, the deficient case most of 484's neighbors share too. 484 also carries: a perfect square, since 22² = 484; and a palindrome, since 484 reads identically forwards and backwards. 484 has a digit sum of 16; for 484, the digital root works out to 7. 484: 2, 4, 11 all divide 484 evenly, out of 2-12. 484 is 111100100 in binary and 1E4 in hex; as a Roman numeral it's CDLXXXIV.