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56975901 = 3532931223
BaseRepresentation
bin1101100101011…
…0001000011101
310222012200020120
43121112020131
5104041212101
65353105153
71261200333
oct331261035
9128180216
1056975901
112a185924
12170b81b9
13ba5b668
1477d1b53
155006b36
hex365621d

56975901 has 16 divisors (see below), whose sum is σ = 77728896. Its totient is φ = 37109696.

The previous prime is 56975881. The next prime is 56975911. The reversal of 56975901 is 10957965.

56975901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56975901 - 25 = 56975869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56975911) 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 15 ways as a sum of consecutive naturals, for example, 45976 + ... + 47198.

It is an arithmetic number, because the mean of its divisors is an integer number (4858056).

Almost surely, 256975901 is an apocalyptic number.

It is an amenable number.

56975901 is a deficient number, since it is larger than the sum of its proper divisors (20752995).

56975901 is a wasteful number, since it uses less digits than its factorization.

56975901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 56975901 is about 7548.2382712789. The cubic root of 56975901 is about 384.7958686234.

The spelling of 56975901 in words is "fifty-six million, nine hundred seventy-five thousand, nine hundred one".

Divisors: 1 3 53 159 293 879 1223 3669 15529 46587 64819 194457 358339 1075017 18991967 56975901