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56652740 = 2252832637
BaseRepresentation
bin1101100000011…
…1001111000100
310221121020221122
43120013033010
5104000341430
65342133112
71255353224
oct330071704
9127536848
1056652740
1129a85051
1216b81198
13b977541
14774a084
154e90ee5
hex36073c4

56652740 has 12 divisors (see below), whose sum is σ = 118970796. Its totient is φ = 22661088.

The previous prime is 56652709. The next prime is 56652773. The reversal of 56652740 is 4725665.

It can be written as a sum of positive squares in 2 ways, for example, as 8099716 + 48553024 = 2846^2 + 6968^2 .

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 56652740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416299 + ... + 1416338.

It is an arithmetic number, because the mean of its divisors is an integer number (9914233).

Almost surely, 256652740 is an apocalyptic number.

It is an amenable number.

56652740 is an abundant number, since it is smaller than the sum of its proper divisors (62318056).

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

56652740 is a wasteful number, since it uses less digits than its factorization.

56652740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832646 (or 2832644 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 56652740 is about 7526.8014455013. The cubic root of 56652740 is about 384.0669823113.

The spelling of 56652740 in words is "fifty-six million, six hundred fifty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2832637 5665274 11330548 14163185 28326370 56652740