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56161888 = 251755059
BaseRepresentation
bin1101011000111…
…1011001100000
310220200022121221
43112033121200
5103334140023
65323424424
71251240166
oct326173140
9126608557
1056161888
112977a292
1216985114
13b834cb3
14765d236
154de585d
hex358f660

56161888 has 12 divisors (see below), whose sum is σ = 110568780. Its totient is φ = 28080928.

The previous prime is 56161873. The next prime is 56161901. The reversal of 56161888 is 88816165.

It is a happy number.

56161888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×561618883 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 877498 + ... + 877561.

It is an arithmetic number, because the mean of its divisors is an integer number (9214065).

Almost surely, 256161888 is an apocalyptic number.

It is an amenable number.

56161888 is a deficient number, since it is larger than the sum of its proper divisors (54406892).

56161888 is a wasteful number, since it uses less digits than its factorization.

56161888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755069 (or 1755061 counting only the distinct ones).

The product of its digits is 92160, while the sum is 43.

The square root of 56161888 is about 7494.1235645004. The cubic root of 56161888 is about 382.9545492539.

The spelling of 56161888 in words is "fifty-six million, one hundred sixty-one thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 32 1755059 3510118 7020236 14040472 28080944 56161888