Base | Representation |
---|---|
bin | 101101101111… |
… | …0100101110000 |
3 | 1200010022220222 |
4 | 1123132211300 |
5 | 22114333100 |
6 | 2213552212 |
7 | 410554463 |
oct | 133364560 |
9 | 50108828 |
10 | 23980400 |
11 | 12599914 |
12 | 8045668 |
13 | 4c780b2 |
14 | 32832da |
15 | 218a485 |
hex | 16de970 |
23980400 has 30 divisors (see below), whose sum is σ = 57613872. Its totient is φ = 9592000.
The previous prime is 23980399. The next prime is 23980417. The reversal of 23980400 is 408932.
It is a self number, because there is not a number n which added to its sum of digits gives 23980400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29576 + ... + 30375.
Almost surely, 223980400 is an apocalyptic number.
23980400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23980400 is an abundant number, since it is smaller than the sum of its proper divisors (33633472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23980400 is a wasteful number, since it uses less digits than its factorization.
23980400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59969 (or 59958 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 23980400 is about 4896.9786603578. The cubic root of 23980400 is about 288.3713701996.
The spelling of 23980400 in words is "twenty-three million, nine hundred eighty thousand, four hundred".
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