Base | Representation |
---|---|
bin | 101101011001… |
… | …0110000111011 |
3 | 1122210012200111 |
4 | 1122302300323 |
5 | 22043112031 |
6 | 2210045151 |
7 | 406206232 |
oct | 132626073 |
9 | 48705614 |
10 | 23800891 |
11 | 12486a64 |
12 | 7b797b7 |
13 | 4c1448a |
14 | 3237b19 |
15 | 21521b1 |
hex | 16b2c3b |
23800891 has 2 divisors, whose sum is σ = 23800892. Its totient is φ = 23800890.
The previous prime is 23800877. The next prime is 23800897. The reversal of 23800891 is 19800832.
23800891 is nontrivially palindromic in base 12.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23800891 - 25 = 23800859 is a prime.
It is not a weakly prime, because it can be changed into another prime (23800897) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11900445 + 11900446.
It is an arithmetic number, because the mean of its divisors is an integer number (11900446).
Almost surely, 223800891 is an apocalyptic number.
23800891 is a deficient number, since it is larger than the sum of its proper divisors (1).
23800891 is an equidigital number, since it uses as much as digits as its factorization.
23800891 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 23800891 is about 4878.6156848024. The cubic root of 23800891 is about 287.6500177373.
The spelling of 23800891 in words is "twenty-three million, eight hundred thousand, eight hundred ninety-one".
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