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56710628 = 22131090589
BaseRepresentation
bin1101100001010…
…1010111100100
310221201012100122
43120111113210
5104004220003
65343301112
71256014052
oct330252744
9127635318
1056710628
112a014597
1216baa798
13b9979b0
1477631d2
154ea3238
hex36155e4

56710628 has 12 divisors (see below), whose sum is σ = 106877820. Its totient is φ = 26174112.

The previous prime is 56710627. The next prime is 56710639. The reversal of 56710628 is 82601765.

56710628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4032064 + 52678564 = 2008^2 + 7258^2 .

It is not an unprimeable number, because it can be changed into a prime (56710627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545243 + ... + 545346.

It is an arithmetic number, because the mean of its divisors is an integer number (8906485).

Almost surely, 256710628 is an apocalyptic number.

It is an amenable number.

56710628 is a deficient number, since it is larger than the sum of its proper divisors (50167192).

56710628 is a wasteful number, since it uses less digits than its factorization.

56710628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090606 (or 1090604 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 56710628 is about 7530.6459218317. The cubic root of 56710628 is about 384.1977515158.

The spelling of 56710628 in words is "fifty-six million, seven hundred ten thousand, six hundred twenty-eight".

Divisors: 1 2 4 13 26 52 1090589 2181178 4362356 14177657 28355314 56710628