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56871124 = 2235340277
BaseRepresentation
bin1101100011110…
…0100011010100
310222000100111221
43120330203110
5104024333444
65350540124
71260253012
oct330744324
9128010457
1056871124
112a114132
1217067644
13ba22a6b
1477a58b2
154ed5a84
hex363c8d4

56871124 has 12 divisors (see below), whose sum is σ = 99808884. Its totient is φ = 28354304.

The previous prime is 56871121. The next prime is 56871127. The reversal of 56871124 is 42117865.

56871124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56871121) and next prime (56871127).

It can be written as a sum of positive squares in 2 ways, for example, as 40322500 + 16548624 = 6350^2 + 4068^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56871124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56871121) 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 3 ways as a sum of consecutive naturals, for example, 18727 + ... + 21550.

It is an arithmetic number, because the mean of its divisors is an integer number (8317407).

Almost surely, 256871124 is an apocalyptic number.

It is an amenable number.

56871124 is a deficient number, since it is larger than the sum of its proper divisors (42937760).

56871124 is a wasteful number, since it uses less digits than its factorization.

56871124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40634 (or 40632 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 56871124 is about 7541.2945838231. The cubic root of 56871124 is about 384.5598478047.

Adding to 56871124 its reverse (42117865), we get a palindrome (98988989).

The spelling of 56871124 in words is "fifty-six million, eight hundred seventy-one thousand, one hundred twenty-four".

Divisors: 1 2 4 353 706 1412 40277 80554 161108 14217781 28435562 56871124