Base | Representation |
---|---|
bin | 101101101001… |
… | …1001110101100 |
3 | 1200000222002120 |
4 | 1123103032230 |
5 | 22111340433 |
6 | 2212552540 |
7 | 410302020 |
oct | 133231654 |
9 | 50028076 |
10 | 23933868 |
11 | 12567962 |
12 | 8022750 |
13 | 4c5cb6a |
14 | 3270380 |
15 | 217b7b3 |
hex | 16d33ac |
23933868 has 24 divisors (see below), whose sum is σ = 63823872. Its totient is φ = 6838224.
The previous prime is 23933851. The next prime is 23933879. The reversal of 23933868 is 86833932.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142380 + ... + 142547.
It is an arithmetic number, because the mean of its divisors is an integer number (2659328).
Almost surely, 223933868 is an apocalyptic number.
23933868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
23933868 is an abundant number, since it is smaller than the sum of its proper divisors (39890004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23933868 is a wasteful number, since it uses less digits than its factorization.
23933868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284941 (or 284939 counting only the distinct ones).
The product of its digits is 186624, while the sum is 42.
The square root of 23933868 is about 4892.2252605537. The cubic root of 23933868 is about 288.1847290937.
The spelling of 23933868 in words is "twenty-three million, nine hundred thirty-three thousand, eight hundred sixty-eight".
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