Base | Representation |
---|---|
bin | 101100011010… |
… | …1110000100110 |
3 | 1121211012022202 |
4 | 1120311300212 |
5 | 21430220440 |
6 | 2151054502 |
7 | 401644403 |
oct | 130656046 |
9 | 47735282 |
10 | 23288870 |
11 | 12167300 |
12 | 7971432 |
13 | 4a953c7 |
14 | 31432aa |
15 | 20a0615 |
hex | 1635c26 |
23288870 has 48 divisors (see below), whose sum is σ = 48550320. Its totient is φ = 8015040.
The previous prime is 23288819. The next prime is 23288899. The reversal of 23288870 is 7888232.
It is a Harshad number since it is a multiple of its sum of digits (38).
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, 22484 + ... + 23496.
It is an arithmetic number, because the mean of its divisors is an integer number (1011465).
Almost surely, 223288870 is an apocalyptic number.
23288870 is an abundant number, since it is smaller than the sum of its proper divisors (25261450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23288870 is a wasteful number, since it uses less digits than its factorization.
23288870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1061 (or 1050 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 38.
The square root of 23288870 is about 4825.8543285101. The cubic root of 23288870 is about 285.5723391336.
The spelling of 23288870 in words is "twenty-three million, two hundred eighty-eight thousand, eight hundred seventy".
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