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56765007 = 3213485171
BaseRepresentation
bin1101100010001…
…0101001001111
310221210221221200
43120202221033
5104012440012
65344400543
71256331435
oct330425117
9127727850
1056765007
112a051432
1217016153
13b9b6680
147778d55
154eb43dc
hex3622a4f

56765007 has 12 divisors (see below), whose sum is σ = 88301304. Its totient is φ = 34932240.

The previous prime is 56765003. The next prime is 56765053. The reversal of 56765007 is 70056765.

56765007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56765007 - 22 = 56765003 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56765003) 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 11 ways as a sum of consecutive naturals, for example, 242469 + ... + 242702.

It is an arithmetic number, because the mean of its divisors is an integer number (7358442).

Almost surely, 256765007 is an apocalyptic number.

56765007 is a deficient number, since it is larger than the sum of its proper divisors (31536297).

56765007 is a wasteful number, since it uses less digits than its factorization.

56765007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485190 (or 485187 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 56765007 is about 7534.2555703931. The cubic root of 56765007 is about 384.3205128397.

The spelling of 56765007 in words is "fifty-six million, seven hundred sixty-five thousand, seven".

Divisors: 1 3 9 13 39 117 485171 1455513 4366539 6307223 18921669 56765007