Base | Representation |
---|---|
bin | 1101011000011… |
… | …1111000001000 |
3 | 10220121202100220 |
4 | 3112013320020 |
5 | 103332143310 |
6 | 5323030040 |
7 | 1251051315 |
oct | 326077010 |
9 | 126552326 |
10 | 56131080 |
11 | 29759125 |
12 | 1696b320 |
13 | b823c75 |
14 | 7651d0c |
15 | 4ddb670 |
hex | 3587e08 |
56131080 has 128 divisors (see below), whose sum is σ = 176947200. Its totient is φ = 14227200.
The previous prime is 56131027. The next prime is 56131099. The reversal of 56131080 is 8013165.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 56131080.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293785 + ... + 293975.
It is an arithmetic number, because the mean of its divisors is an integer number (1382400).
Almost surely, 256131080 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 56131080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88473600).
56131080 is an abundant number, since it is smaller than the sum of its proper divisors (120816120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56131080 is a wasteful number, since it uses less digits than its factorization.
56131080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315 (or 311 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 56131080 is about 7492.0678053525. The cubic root of 56131080 is about 382.8845123058.
The spelling of 56131080 in words is "fifty-six million, one hundred thirty-one thousand, eighty".
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