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10400872 = 2317312467
BaseRepresentation
bin100111101011…
…010001101000
3201120102022111
4213223101220
510130311442
61010532104
7154256146
oct47532150
921512274
1010400872
115964369
123597034
132202181
14154a596
15da6b17
hex9eb468

10400872 has 32 divisors (see below), whose sum is σ = 21323520. Its totient is φ = 4734720.

The previous prime is 10400869. The next prime is 10400881. The reversal of 10400872 is 27800401.

10400872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2983 + ... + 5449.

It is an arithmetic number, because the mean of its divisors is an integer number (666360).

Almost surely, 210400872 is an apocalyptic number.

It is an amenable number.

10400872 is an abundant number, since it is smaller than the sum of its proper divisors (10922648).

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

10400872 is a wasteful number, since it uses less digits than its factorization.

10400872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 10400872 is about 3225.0382943463. The cubic root of 10400872 is about 218.2846770481.

The spelling of 10400872 in words is "ten million, four hundred thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 17 31 34 62 68 124 136 248 527 1054 2108 2467 4216 4934 9868 19736 41939 76477 83878 152954 167756 305908 335512 611816 1300109 2600218 5200436 10400872