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56452040 = 2351974279
BaseRepresentation
bin1101011101011…
…0001111001000
310221020001122022
43113112033020
5103422431130
65333544012
71253556131
oct327261710
9127201568
1056452040
1129958287
1216aa5008
13b907098
1476d6c88
154e517e5
hex35d63c8

56452040 has 32 divisors (see below), whose sum is σ = 133704000. Its totient is φ = 21392064.

The previous prime is 56452027. The next prime is 56452043. The reversal of 56452040 is 4025465.

It is not an unprimeable number, because it can be changed into a prime (56452043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36380 + ... + 37899.

It is an arithmetic number, because the mean of its divisors is an integer number (4178250).

Almost surely, 256452040 is an apocalyptic number.

It is an amenable number.

56452040 is an abundant number, since it is smaller than the sum of its proper divisors (77251960).

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

56452040 is a wasteful number, since it uses less digits than its factorization.

56452040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74309 (or 74305 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 56452040 is about 7513.4572601433. The cubic root of 56452040 is about 383.6129092592.

The spelling of 56452040 in words is "fifty-six million, four hundred fifty-two thousand, forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 74279 148558 297116 371395 594232 742790 1411301 1485580 2822602 2971160 5645204 7056505 11290408 14113010 28226020 56452040