Base | Representation |
---|---|
bin | 110000111000… |
… | …0011000010011 |
3 | 1210012221102222 |
4 | 1201300120103 |
5 | 23030014011 |
6 | 2313131255 |
7 | 430550516 |
oct | 141603023 |
9 | 53187388 |
10 | 25626131 |
11 | 13513323 |
12 | 86b9b2b |
13 | 54031bb |
14 | 3590d7d |
15 | 23b2ddb |
hex | 1870613 |
25626131 has 2 divisors, whose sum is σ = 25626132. Its totient is φ = 25626130.
The previous prime is 25626113. The next prime is 25626137. The reversal of 25626131 is 13162652.
Together with previous prime (25626113) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 25626131 - 26 = 25626067 is a prime.
It is a super-2 number, since 2×256261312 = 1313397180058322, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 25626131.
It is not a weakly prime, because it can be changed into another prime (25626137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12813065 + 12813066.
It is an arithmetic number, because the mean of its divisors is an integer number (12813066).
Almost surely, 225626131 is an apocalyptic number.
25626131 is a deficient number, since it is larger than the sum of its proper divisors (1).
25626131 is an equidigital number, since it uses as much as digits as its factorization.
25626131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2160, while the sum is 26.
The square root of 25626131 is about 5062.2258938139. The cubic root of 25626131 is about 294.8227643609.
Adding to 25626131 its reverse (13162652), we get a palindrome (38788783).
The spelling of 25626131 in words is "twenty-five million, six hundred twenty-six thousand, one hundred thirty-one".
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