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56542507 = 761313177
BaseRepresentation
bin1101011110110…
…0010100101011
310221101122201221
43113230110223
5103433330012
65335522511
71254413650
oct327542453
9127348657
1056542507
1129a0a24a
1216b29437
13b939308
14771bc27
154e6d507
hex35ec52b

56542507 has 8 divisors (see below), whose sum is σ = 64730336. Its totient is φ = 48382272.

The previous prime is 56542477. The next prime is 56542513. The reversal of 56542507 is 70524565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56542507 - 223 = 48153899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56542307) 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, 2298 + ... + 10879.

It is an arithmetic number, because the mean of its divisors is an integer number (8091292).

Almost surely, 256542507 is an apocalyptic number.

56542507 is a deficient number, since it is larger than the sum of its proper divisors (8187829).

56542507 is a wasteful number, since it uses less digits than its factorization.

56542507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13797.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 56542507 is about 7519.4751811546. The cubic root of 56542507 is about 383.8177190242.

The spelling of 56542507 in words is "fifty-six million, five hundred forty-two thousand, five hundred seven".

Divisors: 1 7 613 4291 13177 92239 8077501 56542507