Search a number
-
+
56388585 = 3511341749
BaseRepresentation
bin1101011100011…
…0101111101001
310221002211121010
43113012233221
5103413413320
65332334133
71253203131
oct327065751
9127084533
1056388585
1129914640
1216a74349
13b8b4236
1476bbac1
154e3cae0
hex35c6be9

56388585 has 16 divisors (see below), whose sum is σ = 98424000. Its totient is φ = 27339840.

The previous prime is 56388581. The next prime is 56388593. The reversal of 56388585 is 58588365.

It is not a de Polignac number, because 56388585 - 22 = 56388581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56388581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170710 + ... + 171039.

It is an arithmetic number, because the mean of its divisors is an integer number (6151500).

Almost surely, 256388585 is an apocalyptic number.

56388585 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56388585 is a deficient number, since it is larger than the sum of its proper divisors (42035415).

56388585 is a wasteful number, since it uses less digits than its factorization.

56388585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341768.

The product of its digits is 1152000, while the sum is 48.

The square root of 56388585 is about 7509.2333163912. The cubic root of 56388585 is about 383.4691218161.

The spelling of 56388585 in words is "fifty-six million, three hundred eighty-eight thousand, five hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 341749 1025247 1708745 3759239 5126235 11277717 18796195 56388585