Base | Representation |
---|---|
bin | 1101010111110… |
… | …1101001011100 |
3 | 10220112121220001 |
4 | 3111331221130 |
5 | 103324323210 |
6 | 5322104044 |
7 | 1250515210 |
oct | 325755134 |
9 | 126477801 |
10 | 56089180 |
11 | 2972a6a4 |
12 | 1694b024 |
13 | b80ab84 |
14 | 7640940 |
15 | 4dce03a |
hex | 357da5c |
56089180 has 48 divisors (see below), whose sum is σ = 140474880. Its totient is φ = 18393408.
The previous prime is 56089177. The next prime is 56089181. The reversal of 56089180 is 8198065.
It is a super-2 number, since 2×560891802 = 6291992226144800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56089181) 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, 5490 + ... + 11929.
It is an arithmetic number, because the mean of its divisors is an integer number (2926560).
Almost surely, 256089180 is an apocalyptic number.
It is an amenable number.
56089180 is an abundant number, since it is smaller than the sum of its proper divisors (84385700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56089180 is a wasteful number, since it uses less digits than its factorization.
56089180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17458 (or 17456 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 37.
The square root of 56089180 is about 7489.2709925600. The cubic root of 56089180 is about 382.7892183703.
The spelling of 56089180 in words is "fifty-six million, eighty-nine thousand, one hundred eighty".
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