Base | Representation |
---|---|
bin | 101100001000… |
… | …0111001000100 |
3 | 1121112112011210 |
4 | 1120100321010 |
5 | 21410402420 |
6 | 2143531420 |
7 | 400445214 |
oct | 130207104 |
9 | 47475153 |
10 | 23137860 |
11 | 120738a9 |
12 | 78b9b70 |
13 | 4a41755 |
14 | 3104244 |
15 | 20709e0 |
hex | 1610e44 |
23137860 has 24 divisors (see below), whose sum is σ = 64786176. Its totient is φ = 6170080.
The previous prime is 23137859. The next prime is 23137871. The reversal of 23137860 is 6873132.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192756 + ... + 192875.
It is an arithmetic number, because the mean of its divisors is an integer number (2699424).
Almost surely, 223137860 is an apocalyptic number.
23137860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23137860 is an abundant number, since it is smaller than the sum of its proper divisors (41648316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23137860 is a wasteful number, since it uses less digits than its factorization.
23137860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 385643 (or 385641 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 23137860 is about 4810.1829487037. The cubic root of 23137860 is about 284.9537628900.
The spelling of 23137860 in words is "twenty-three million, one hundred thirty-seven thousand, eight hundred sixty".
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