Base | Representation |
---|---|
bin | 101011111101… |
… | …0100100011111 |
3 | 1121100212202112 |
4 | 1113322210133 |
5 | 21344441211 |
6 | 2141544235 |
7 | 366614522 |
oct | 127724437 |
9 | 47325675 |
10 | 23046431 |
11 | 12011141 |
12 | 787507b |
13 | 4a0bc55 |
14 | 30bcbb9 |
15 | 205388b |
hex | 15fa91f |
23046431 has 2 divisors, whose sum is σ = 23046432. Its totient is φ = 23046430.
The previous prime is 23046421. The next prime is 23046479. The reversal of 23046431 is 13464032.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23046431 - 26 = 23046367 is a prime.
It is a super-2 number, since 2×230464312 = 1062275963675522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 23046397 and 23046406.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23046421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11523215 + 11523216.
It is an arithmetic number, because the mean of its divisors is an integer number (11523216).
Almost surely, 223046431 is an apocalyptic number.
23046431 is a deficient number, since it is larger than the sum of its proper divisors (1).
23046431 is an equidigital number, since it uses as much as digits as its factorization.
23046431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 23046431 is about 4800.6698490940. The cubic root of 23046431 is about 284.5779368742.
The spelling of 23046431 in words is "twenty-three million, forty-six thousand, four hundred thirty-one".
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