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56161060 = 2259728949
BaseRepresentation
bin1101011000111…
…1001100100100
310220200021111021
43112033030210
5103334123220
65323420524
71251234604
oct326171444
9126607437
1056161060
11297796aa
1216984744
13b8347c7
14765cc04
154de54aa
hex358f324

56161060 has 24 divisors (see below), whose sum is σ = 119158200. Its totient is φ = 22232064.

The previous prime is 56161043. The next prime is 56161069. The reversal of 56161060 is 6016165.

56161060 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 4 ways, for example, as 20448484 + 35712576 = 4522^2 + 5976^2 .

It is not an unprimeable number, because it can be changed into a prime (56161069) 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 7 ways as a sum of consecutive naturals, for example, 12535 + ... + 16414.

It is an arithmetic number, because the mean of its divisors is an integer number (4964925).

Almost surely, 256161060 is an apocalyptic number.

It is an amenable number.

56161060 is an abundant number, since it is smaller than the sum of its proper divisors (62997140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56161060 is a wasteful number, since it uses less digits than its factorization.

56161060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29055 (or 29053 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 56161060 is about 7494.0683210123. The cubic root of 56161060 is about 382.9526672663.

The spelling of 56161060 in words is "fifty-six million, one hundred sixty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 28949 57898 115796 144745 289490 578980 2808053 5616106 11232212 14040265 28080530 56161060