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56144264 = 23112232861
BaseRepresentation
bin1101011000101…
…1000110001000
310220122102110012
43112023012020
5103333104024
65323211052
71251134621
oct326130610
9126572405
1056144264
1129768020
1216976a88
13b829c77
147656a48
154de050e
hex358b188

56144264 has 32 divisors (see below), whose sum is σ = 115395840. Its totient is φ = 25396800.

The previous prime is 56144239. The next prime is 56144269. The reversal of 56144264 is 46244165.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56144264.

It is not an unprimeable number, because it can be changed into a prime (56144269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18194 + ... + 21054.

It is an arithmetic number, because the mean of its divisors is an integer number (3606120).

Almost surely, 256144264 is an apocalyptic number.

It is an amenable number.

56144264 is an abundant number, since it is smaller than the sum of its proper divisors (59251576).

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

56144264 is a wasteful number, since it uses less digits than its factorization.

56144264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101 (or 3097 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 56144264 is about 7492.9476175935. The cubic root of 56144264 is about 382.9144871090.

Subtracting from 56144264 its reverse (46244165), we obtain a palindrome (9900099).

The spelling of 56144264 in words is "fifty-six million, one hundred forty-four thousand, two hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 223 446 892 1784 2453 2861 4906 5722 9812 11444 19624 22888 31471 62942 125884 251768 638003 1276006 2552012 5104024 7018033 14036066 28072132 56144264