Base | Representation |
---|---|
bin | 101100010111… |
… | …0011011111000 |
3 | 1121202200011201 |
4 | 1120232123320 |
5 | 21423240442 |
6 | 2150303544 |
7 | 401461060 |
oct | 130563370 |
9 | 47680151 |
10 | 23258872 |
11 | 1214680a |
12 | 7957bb4 |
13 | 4a84860 |
14 | 31363a0 |
15 | 20967b7 |
hex | 162e6f8 |
23258872 has 64 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 8975232.
The previous prime is 23258867. The next prime is 23258887. The reversal of 23258872 is 27885232.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30933 + ... + 31675.
It is an arithmetic number, because the mean of its divisors is an integer number (859320).
Almost surely, 223258872 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 23258872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27498240).
23258872 is an abundant number, since it is smaller than the sum of its proper divisors (31737608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23258872 is a wasteful number, since it uses less digits than its factorization.
23258872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 812 (or 808 counting only the distinct ones).
The product of its digits is 53760, while the sum is 37.
The square root of 23258872 is about 4822.7452762923. The cubic root of 23258872 is about 285.4496728152.
The spelling of 23258872 in words is "twenty-three million, two hundred fifty-eight thousand, eight hundred seventy-two".
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