Base | Representation |
---|---|
bin | 101101010110… |
… | …1111000000100 |
3 | 1122202012012220 |
4 | 1122231320010 |
5 | 22041441433 |
6 | 2205412340 |
7 | 406063656 |
oct | 132557004 |
9 | 48665186 |
10 | 23780868 |
11 | 12472a11 |
12 | 7b6a0b0 |
13 | 4c08327 |
14 | 32306d6 |
15 | 214b2b3 |
hex | 16ade04 |
23780868 has 12 divisors (see below), whose sum is σ = 55488720. Its totient is φ = 7926952.
The previous prime is 23780851. The next prime is 23780879. The reversal of 23780868 is 86808732.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990858 + ... + 990881.
It is an arithmetic number, because the mean of its divisors is an integer number (4624060).
Almost surely, 223780868 is an apocalyptic number.
It is an amenable number.
23780868 is an abundant number, since it is smaller than the sum of its proper divisors (31707852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23780868 is a wasteful number, since it uses less digits than its factorization.
23780868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1981746 (or 1981744 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 23780868 is about 4876.5631340115. The cubic root of 23780868 is about 287.5693312314.
The spelling of 23780868 in words is "twenty-three million, seven hundred eighty thousand, eight hundred sixty-eight".
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