Base | Representation |
---|---|
bin | 101100111000… |
… | …0110110000000 |
3 | 1122021111022002 |
4 | 1121300312000 |
5 | 22010442010 |
6 | 2200203132 |
7 | 404003102 |
oct | 131606600 |
9 | 48244262 |
10 | 23530880 |
11 | 1231210a |
12 | 7a694a8 |
13 | 4b4b5c9 |
14 | 31a7572 |
15 | 20ec1a5 |
hex | 1670d80 |
23530880 has 32 divisors (see below), whose sum is σ = 56255040. Its totient is φ = 9412096.
The previous prime is 23530849. The next prime is 23530883. The reversal of 23530880 is 8803532.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23530883) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17744 + ... + 19023.
It is an arithmetic number, because the mean of its divisors is an integer number (1757970).
Almost surely, 223530880 is an apocalyptic number.
23530880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23530880 is an abundant number, since it is smaller than the sum of its proper divisors (32724160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23530880 is an equidigital number, since it uses as much as digits as its factorization.
23530880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36786 (or 36774 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 23530880 is about 4850.8638405958. The cubic root of 23530880 is about 286.5581224776.
The spelling of 23530880 in words is "twenty-three million, five hundred thirty thousand, eight hundred eighty".
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