Base | Representation |
---|---|
bin | 101100100110… |
… | …0001111111100 |
3 | 1121222212200112 |
4 | 1121030033330 |
5 | 21441142423 |
6 | 2153045152 |
7 | 402510101 |
oct | 131141774 |
9 | 47885615 |
10 | 23380988 |
11 | 1221a534 |
12 | 79b67b8 |
13 | 4ac8307 |
14 | 3168aa8 |
15 | 20bca78 |
hex | 164c3fc |
23380988 has 12 divisors (see below), whose sum is σ = 41914992. Its totient is φ = 11405280.
The previous prime is 23380979. The next prime is 23380993. The reversal of 23380988 is 88908332.
It is a super-2 number, since 2×233809882 = 1093341199712288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a congruent number.
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, 71120 + ... + 71447.
It is an arithmetic number, because the mean of its divisors is an integer number (3492916).
Almost surely, 223380988 is an apocalyptic number.
It is an amenable number.
23380988 is a deficient number, since it is larger than the sum of its proper divisors (18534004).
23380988 is a wasteful number, since it uses less digits than its factorization.
23380988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142612 (or 142610 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 41.
The square root of 23380988 is about 4835.3891260166. The cubic root of 23380988 is about 285.9483663124.
The spelling of 23380988 in words is "twenty-three million, three hundred eighty thousand, nine hundred eighty-eight".
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