Base | Representation |
---|---|
bin | 101100000001… |
… | …1101110010000 |
3 | 1121102210012000 |
4 | 1120003232100 |
5 | 21402141140 |
6 | 2142434000 |
7 | 400132026 |
oct | 130035620 |
9 | 47383160 |
10 | 23083920 |
11 | 12037322 |
12 | 7892900 |
13 | 4a23032 |
14 | 30cc716 |
15 | 205ea30 |
hex | 1603b90 |
23083920 has 80 divisors (see below), whose sum is σ = 79518720. Its totient is φ = 6155136.
The previous prime is 23083891. The next prime is 23083961. The reversal of 23083920 is 2938032.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 3184 + ... + 7503.
It is an arithmetic number, because the mean of its divisors is an integer number (993984).
Almost surely, 223083920 is an apocalyptic number.
23083920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23083920 is an abundant number, since it is smaller than the sum of its proper divisors (56434800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23083920 is a wasteful number, since it uses less digits than its factorization.
23083920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10709 (or 10697 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 23083920 is about 4804.5728218022. The cubic root of 23083920 is about 284.7321583348.
The spelling of 23083920 in words is "twenty-three million, eighty-three thousand, nine hundred twenty".
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