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402872 = 2350359
BaseRepresentation
bin1100010010110111000
3202110122012
41202112320
5100342442
612345052
73265361
oct1422670
9673565
10402872
11255758
12175188
131114b2
14a6b68
157e582
hex625b8

402872 has 8 divisors (see below), whose sum is σ = 755400. Its totient is φ = 201432.

The previous prime is 402869. The next prime is 402881. The reversal of 402872 is 278204.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25172 + ... + 25187.

It is an arithmetic number, because the mean of its divisors is an integer number (94425).

2402872 is an apocalyptic number.

It is an amenable number.

402872 is a deficient number, since it is larger than the sum of its proper divisors (352528).

402872 is a wasteful number, since it uses less digits than its factorization.

402872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50365 (or 50361 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 402872 is about 634.7219863846. The cubic root of 402872 is about 73.8565519101.

The spelling of 402872 in words is "four hundred two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 50359 100718 201436 402872