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56529045 = 3251256201
BaseRepresentation
bin1101011110100…
…1000010010101
310221100222021100
43113221002111
5103432412140
65335340313
71254326466
oct327510225
9127328240
1056529045
1129a00121
1216b21699
13b933151
147716d6d
154e69530
hex35e9095

56529045 has 12 divisors (see below), whose sum is σ = 97983756. Its totient is φ = 30148800.

The previous prime is 56529023. The next prime is 56529049. The reversal of 56529045 is 54092565.

56529045 is a `hidden beast` number, since 565 + 2 + 90 + 4 + 5 = 666.

56529045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35212356 + 21316689 = 5934^2 + 4617^2 .

It is not a de Polignac number, because 56529045 - 29 = 56528533 is a prime.

It is a super-2 number, since 2×565290452 = 6391065857224050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56529049) 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, 628056 + ... + 628145.

It is an arithmetic number, because the mean of its divisors is an integer number (8165313).

Almost surely, 256529045 is an apocalyptic number.

It is an amenable number.

56529045 is a deficient number, since it is larger than the sum of its proper divisors (41454711).

56529045 is a wasteful number, since it uses less digits than its factorization.

56529045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256212 (or 1256209 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 56529045 is about 7518.5799856090. The cubic root of 56529045 is about 383.7872560179.

The spelling of 56529045 in words is "fifty-six million, five hundred twenty-nine thousand, forty-five".

Divisors: 1 3 5 9 15 45 1256201 3768603 6281005 11305809 18843015 56529045