Base | Representation |
---|---|
bin | 101100110100… |
… | …0100101100001 |
3 | 1122012202220101 |
4 | 1121220211201 |
5 | 22003401212 |
6 | 2155342401 |
7 | 403502353 |
oct | 131504541 |
9 | 48182811 |
10 | 23497057 |
11 | 12299761 |
12 | 7a51a01 |
13 | 4b390ac |
14 | 31990d3 |
15 | 20e2157 |
hex | 1668961 |
23497057 has 2 divisors, whose sum is σ = 23497058. Its totient is φ = 23497056.
The previous prime is 23497037. The next prime is 23497063. The reversal of 23497057 is 75079432.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19501056 + 3996001 = 4416^2 + 1999^2 .
It is a cyclic number.
It is not a de Polignac number, because 23497057 - 27 = 23496929 is a prime.
It is a super-3 number, since 3×234970573 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not a weakly prime, because it can be changed into another prime (23497027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11748528 + 11748529.
It is an arithmetic number, because the mean of its divisors is an integer number (11748529).
Almost surely, 223497057 is an apocalyptic number.
It is an amenable number.
23497057 is a deficient number, since it is larger than the sum of its proper divisors (1).
23497057 is an equidigital number, since it uses as much as digits as its factorization.
23497057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 52920, while the sum is 37.
The square root of 23497057 is about 4847.3763006393. The cubic root of 23497057 is about 286.4207582576.
The spelling of 23497057 in words is "twenty-three million, four hundred ninety-seven thousand, fifty-seven".
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