Base | Representation |
---|---|
bin | 101101100010… |
… | …0110101100001 |
3 | 1122220222020001 |
4 | 1123010311201 |
5 | 22102444123 |
6 | 2211420001 |
7 | 406635106 |
oct | 133046541 |
9 | 48828201 |
10 | 23874913 |
11 | 12527637 |
12 | 7bb4601 |
13 | 4c3c08a |
14 | 3256aad |
15 | 21690ad |
hex | 16c4d61 |
23874913 has 2 divisors, whose sum is σ = 23874914. Its totient is φ = 23874912.
The previous prime is 23874899. The next prime is 23874931. The reversal of 23874913 is 31947832.
Together with next prime (23874931) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13162384 + 10712529 = 3628^2 + 3273^2 .
It is a cyclic number.
It is not a de Polignac number, because 23874913 - 29 = 23874401 is a prime.
It is a super-2 number, since 2×238749132 = 1140022941515138, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (23874113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11937456 + 11937457.
It is an arithmetic number, because the mean of its divisors is an integer number (11937457).
Almost surely, 223874913 is an apocalyptic number.
It is an amenable number.
23874913 is a deficient number, since it is larger than the sum of its proper divisors (1).
23874913 is an equidigital number, since it uses as much as digits as its factorization.
23874913 is an evil number, because the sum of its binary digits is even.
The product of its digits is 36288, while the sum is 37.
The square root of 23874913 is about 4886.1961688004. The cubic root of 23874913 is about 287.9479112651.
The spelling of 23874913 in words is "twenty-three million, eight hundred seventy-four thousand, nine hundred thirteen".
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