Base | Representation |
---|---|
bin | 101100111000… |
… | …0110010111000 |
3 | 1122021111000200 |
4 | 1121300302320 |
5 | 22010440210 |
6 | 2200202200 |
7 | 404002365 |
oct | 131606270 |
9 | 48244020 |
10 | 23530680 |
11 | 12311a48 |
12 | 7a69360 |
13 | 4b4b4a4 |
14 | 31a746c |
15 | 20ec0c0 |
hex | 1670cb8 |
23530680 has 96 divisors (see below), whose sum is σ = 77135760. Its totient is φ = 6220800.
The previous prime is 23530673. The next prime is 23530693. The reversal of 23530680 is 8603532.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58480 + ... + 58880.
Almost surely, 223530680 is an apocalyptic number.
23530680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23530680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38567880).
23530680 is an abundant number, since it is smaller than the sum of its proper divisors (53605080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23530680 is a wasteful number, since it uses less digits than its factorization.
23530680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 581 (or 574 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 23530680 is about 4850.8432256671. The cubic root of 23530680 is about 286.5573106113.
The spelling of 23530680 in words is "twenty-three million, five hundred thirty thousand, six hundred eighty".
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