Base | Representation |
---|---|
bin | 101101101111… |
… | …0110001101000 |
3 | 1200010100222010 |
4 | 1123132301220 |
5 | 22114344120 |
6 | 2213555520 |
7 | 410556630 |
oct | 133366150 |
9 | 50110863 |
10 | 23981160 |
11 | 1259a445 |
12 | 8045ba0 |
13 | 4c78548 |
14 | 32836c0 |
15 | 218a7e0 |
hex | 16dec68 |
23981160 has 64 divisors (see below), whose sum is σ = 82224000. Its totient is φ = 5481216.
The previous prime is 23981149. The next prime is 23981179. The reversal of 23981160 is 6118932.
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 15 ways as a sum of consecutive naturals, for example, 13435 + ... + 15114.
It is an arithmetic number, because the mean of its divisors is an integer number (1284750).
Almost surely, 223981160 is an apocalyptic number.
23981160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23981160 is an abundant number, since it is smaller than the sum of its proper divisors (58242840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23981160 is a wasteful number, since it uses less digits than its factorization.
23981160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28570 (or 28566 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 23981160 is about 4897.0562586109. The cubic root of 23981160 is about 288.3744165753.
The spelling of 23981160 in words is "twenty-three million, nine hundred eighty-one thousand, one hundred sixty".
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