Search a number
-
+
56656275 = 3521358109
BaseRepresentation
bin1101100000100…
…0000110010011
310221121102210120
43120020012103
5104001000100
65342201323
71255366434
oct330100623
9127542716
1056656275
1129a87775
1216b83243
13b979030
14774b48b
154e920a0
hex3608193

56656275 has 24 divisors (see below), whose sum is σ = 100878960. Its totient is φ = 27891840.

The previous prime is 56656273. The next prime is 56656297. The reversal of 56656275 is 57265665.

It is a happy number.

It is not a de Polignac number, because 56656275 - 21 = 56656273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56656273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28080 + ... + 30029.

It is an arithmetic number, because the mean of its divisors is an integer number (4203290).

Almost surely, 256656275 is an apocalyptic number.

56656275 is a deficient number, since it is larger than the sum of its proper divisors (44222685).

56656275 is a wasteful number, since it uses less digits than its factorization.

56656275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58135 (or 58130 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 56656275 is about 7527.0362693427. The cubic root of 56656275 is about 384.0749704424.

The spelling of 56656275 in words is "fifty-six million, six hundred fifty-six thousand, two hundred seventy-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 58109 174327 290545 755417 871635 1452725 2266251 3777085 4358175 11331255 18885425 56656275