Base | Representation |
---|---|
bin | 101101101100… |
… | …1000110000101 |
3 | 1200002012001101 |
4 | 1123121012011 |
5 | 22113123033 |
6 | 2213300101 |
7 | 410432041 |
oct | 133310605 |
9 | 50065041 |
10 | 23957893 |
11 | 12583a13 |
12 | 8034631 |
13 | 4c6aa8b |
14 | 3279021 |
15 | 218397d |
hex | 16d9185 |
23957893 has 2 divisors, whose sum is σ = 23957894. Its totient is φ = 23957892.
The previous prime is 23957887. The next prime is 23957929. The reversal of 23957893 is 39875932.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23213124 + 744769 = 4818^2 + 863^2 .
It is a cyclic number.
It is not a de Polignac number, because 23957893 - 25 = 23957861 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23957693) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11978946 + 11978947.
It is an arithmetic number, because the mean of its divisors is an integer number (11978947).
Almost surely, 223957893 is an apocalyptic number.
It is an amenable number.
23957893 is a deficient number, since it is larger than the sum of its proper divisors (1).
23957893 is an equidigital number, since it uses as much as digits as its factorization.
23957893 is an evil number, because the sum of its binary digits is even.
The product of its digits is 408240, while the sum is 46.
The square root of 23957893 is about 4894.6800712610. The cubic root of 23957893 is about 288.2811241929.
The spelling of 23957893 in words is "twenty-three million, nine hundred fifty-seven thousand, eight hundred ninety-three".
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