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56926730 = 2572116177
BaseRepresentation
bin1101100100101…
…0001000001010
310222010011210102
43121022020022
5104033123410
65352045402
71260604100
oct331121012
9128104712
1056926730
112a151993
1217093862
13ba42173
1477bbc70
154ee72a5
hex364a20a

56926730 has 24 divisors (see below), whose sum is σ = 119198628. Its totient is φ = 19517568.

The previous prime is 56926699. The next prime is 56926741. The reversal of 56926730 is 3762965.

It can be written as a sum of positive squares in 2 ways, for example, as 54745201 + 2181529 = 7399^2 + 1477^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57599 + ... + 58578.

Almost surely, 256926730 is an apocalyptic number.

56926730 is an abundant number, since it is smaller than the sum of its proper divisors (62271898).

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

56926730 is a wasteful number, since it uses less digits than its factorization.

56926730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116198 (or 116191 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 56926730 is about 7544.9804506042. The cubic root of 56926730 is about 384.6851420243.

The spelling of 56926730 in words is "fifty-six million, nine hundred twenty-six thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 116177 232354 580885 813239 1161770 1626478 4066195 5692673 8132390 11385346 28463365 56926730