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479269420 = 225713992447
BaseRepresentation
bin11100100100010…
…001001000101100
31020101211102001021
4130210101020230
51440143110140
6115320223524
714606502640
oct3444211054
91211742037
10479269420
11226598233
1211460aba4
13783a7296
144791ac20
152c120b4a
hex1c91122c

479269420 has 48 divisors (see below), whose sum is σ = 1151539200. Its totient is φ = 164136384.

The previous prime is 479269397. The next prime is 479269477. The reversal of 479269420 is 24962974.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194637 + ... + 197083.

It is an arithmetic number, because the mean of its divisors is an integer number (23990400).

Almost surely, 2479269420 is an apocalyptic number.

It is an amenable number.

479269420 is an abundant number, since it is smaller than the sum of its proper divisors (672269780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

479269420 is a wasteful number, since it uses less digits than its factorization.

479269420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862 (or 3860 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 479269420 is about 21892.2228199879. Note that the first 3 decimals coincide. The cubic root of 479269420 is about 782.5760870802.

The spelling of 479269420 in words is "four hundred seventy-nine million, two hundred sixty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1399 2447 2798 4894 5596 6995 9788 9793 12235 13990 17129 19586 24470 27980 34258 39172 48940 48965 68516 85645 97930 171290 195860 342580 3423353 6846706 13693412 17116765 23963471 34233530 47926942 68467060 95853884 119817355 239634710 479269420