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56672951 = 173333703
BaseRepresentation
bin1101100000110…
…0001010110111
310221122021200012
43120030022313
5104002013301
65342410435
71255466156
oct330141267
9127567605
1056672951
1129a99255
1216b90a1b
13b9837ba
14775359d
154e96ebb
hex360c2b7

56672951 has 4 divisors (see below), whose sum is σ = 60006672. Its totient is φ = 53339232.

The previous prime is 56672911. The next prime is 56672963. The reversal of 56672951 is 15927665.

56672951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56672951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56672899 and 56672908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56672911) 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, 1666835 + ... + 1666868.

It is an arithmetic number, because the mean of its divisors is an integer number (15001668).

Almost surely, 256672951 is an apocalyptic number.

56672951 is a deficient number, since it is larger than the sum of its proper divisors (3333721).

56672951 is a wasteful number, since it uses less digits than its factorization.

56672951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333720.

The product of its digits is 113400, while the sum is 41.

The square root of 56672951 is about 7528.1439279546. The cubic root of 56672951 is about 384.1126491516.

The spelling of 56672951 in words is "fifty-six million, six hundred seventy-two thousand, nine hundred fifty-one".

Divisors: 1 17 3333703 56672951