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56692590 = 2351889753
BaseRepresentation
bin1101100001000…
…0111101101110
310221200021121120
43120100331232
5104003130330
65343041410
71255610343
oct330207556
9127607546
1056692590
112a001a89
1216ba0266
13b98c716
14775a7ca
154e9cc10
hex3610f6e

56692590 has 16 divisors (see below), whose sum is σ = 136062288. Its totient is φ = 15118016.

The previous prime is 56692589. The next prime is 56692591. The reversal of 56692590 is 9529665.

It is an interprime number because it is at equal distance from previous prime (56692589) and next prime (56692591).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56692591) 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, 944847 + ... + 944906.

It is an arithmetic number, because the mean of its divisors is an integer number (8503893).

Almost surely, 256692590 is an apocalyptic number.

56692590 is an abundant number, since it is smaller than the sum of its proper divisors (79369698).

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

56692590 is a wasteful number, since it uses less digits than its factorization.

56692590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889763.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 56692590 is about 7529.4481869523. The cubic root of 56692590 is about 384.1570131558.

The spelling of 56692590 in words is "fifty-six million, six hundred ninety-two thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1889753 3779506 5669259 9448765 11338518 18897530 28346295 56692590