Base | Representation |
---|---|
bin | 11110001101011… |
… | …11010111101011 |
3 | 122122212022220222 |
4 | 33012233113223 |
5 | 1004334101011 |
6 | 41051440255 |
7 | 6165035531 |
oct | 1706572753 |
9 | 578768828 |
10 | 253425131 |
11 | 120063063 |
12 | 70a5608b |
13 | 406716cb |
14 | 2592c151 |
15 | 173adddb |
hex | f1af5eb |
253425131 has 2 divisors, whose sum is σ = 253425132. Its totient is φ = 253425130.
The previous prime is 253425091. The next prime is 253425143. The reversal of 253425131 is 131524352.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-253425131 is a prime.
It is a super-2 number, since 2×2534251312 = 128448594044734322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 253425131.
It is not a weakly prime, because it can be changed into another prime (253425181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126712565 + 126712566.
It is an arithmetic number, because the mean of its divisors is an integer number (126712566).
Almost surely, 2253425131 is an apocalyptic number.
253425131 is a deficient number, since it is larger than the sum of its proper divisors (1).
253425131 is an equidigital number, since it uses as much as digits as its factorization.
253425131 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3600, while the sum is 26.
The square root of 253425131 is about 15919.3319897538. The cubic root of 253425131 is about 632.8244153273.
Adding to 253425131 its reverse (131524352), we get a palindrome (384949483).
The spelling of 253425131 in words is "two hundred fifty-three million, four hundred twenty-five thousand, one hundred thirty-one".
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