Base | Representation |
---|---|
bin | 101100100000… |
… | …1111010001110 |
3 | 1121220201121000 |
4 | 1121001322032 |
5 | 21433314023 |
6 | 2152121130 |
7 | 402242451 |
oct | 131017216 |
9 | 47821530 |
10 | 23338638 |
11 | 121a0734 |
12 | 79961a6 |
13 | 4ab1c5b |
14 | 3157498 |
15 | 20b0243 |
hex | 1641e8e |
23338638 has 32 divisors (see below), whose sum is σ = 53269920. Its totient is φ = 7568640.
The previous prime is 23338619. The next prime is 23338643. The reversal of 23338638 is 83683332.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3843 + ... + 7838.
It is an arithmetic number, because the mean of its divisors is an integer number (1664685).
Almost surely, 223338638 is an apocalyptic number.
23338638 is an abundant number, since it is smaller than the sum of its proper divisors (29931282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23338638 is a wasteful number, since it uses less digits than its factorization.
23338638 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11729 (or 11723 counting only the distinct ones).
The product of its digits is 62208, while the sum is 36.
The square root of 23338638 is about 4831.0079693579. The cubic root of 23338638 is about 285.7756158104.
The spelling of 23338638 in words is "twenty-three million, three hundred thirty-eight thousand, six hundred thirty-eight".
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