Base | Representation |
---|---|
bin | 11111101001000… |
… | …01000010000111 |
3 | 200111102222200201 |
4 | 33310201002013 |
5 | 1020422100111 |
6 | 42200551331 |
7 | 6402034624 |
oct | 1764410207 |
9 | 614388621 |
10 | 265425031 |
11 | 126909833 |
12 | 74a82547 |
13 | 42cb3641 |
14 | 2737334b |
15 | 1847e6c1 |
hex | fd21087 |
265425031 has 2 divisors, whose sum is σ = 265425032. Its totient is φ = 265425030.
The previous prime is 265424983. The next prime is 265425073. The reversal of 265425031 is 130524562.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 265425031 - 27 = 265424903 is a prime.
It is a super-2 number, since 2×2654250312 = 140900894162701922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (265425331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132712515 + 132712516.
It is an arithmetic number, because the mean of its divisors is an integer number (132712516).
Almost surely, 2265425031 is an apocalyptic number.
265425031 is a deficient number, since it is larger than the sum of its proper divisors (1).
265425031 is an equidigital number, since it uses as much as digits as its factorization.
265425031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7200, while the sum is 28.
The square root of 265425031 is about 16291.8700890966. The cubic root of 265425031 is about 642.6590468597.
Adding to 265425031 its reverse (130524562), we get a palindrome (395949593).
The spelling of 265425031 in words is "two hundred sixty-five million, four hundred twenty-five thousand, thirty-one".
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