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56163045 = 3511513253
BaseRepresentation
bin1101011000111…
…1101011100101
310220200101012210
43112033223211
5103334204140
65323434033
71251243441
oct326175345
9126611183
1056163045
1129780144
1216985919
13b835693
14765d821
154de5d80
hex358fae5

56163045 has 16 divisors (see below), whose sum is σ = 89966592. Its totient is φ = 29918400.

The previous prime is 56162999. The next prime is 56163049. The reversal of 56163045 is 54036165.

It is not a de Polignac number, because 56163045 - 211 = 56160997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56163049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15639 + ... + 18891.

It is an arithmetic number, because the mean of its divisors is an integer number (5622912).

Almost surely, 256163045 is an apocalyptic number.

It is an amenable number.

56163045 is a deficient number, since it is larger than the sum of its proper divisors (33803547).

56163045 is a wasteful number, since it uses less digits than its factorization.

56163045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 56163045 is about 7494.2007579194. The cubic root of 56163045 is about 382.9571790051.

The spelling of 56163045 in words is "fifty-six million, one hundred sixty-three thousand, forty-five".

Divisors: 1 3 5 15 1151 3253 3453 5755 9759 16265 17265 48795 3744203 11232609 18721015 56163045