Base | Representation |
---|---|
bin | 11011100100010… |
… | …11101111110101 |
3 | 121010011011212210 |
4 | 31302023233311 |
5 | 433200243000 |
6 | 34540404033 |
7 | 5505445566 |
oct | 1562135765 |
9 | 533134783 |
10 | 231259125 |
11 | 1095a3449 |
12 | 65546619 |
13 | 38bb0426 |
14 | 229dc16d |
15 | 15481350 |
hex | dc8bbf5 |
231259125 has 32 divisors (see below), whose sum is σ = 386126208. Its totient is φ = 122918400.
The previous prime is 231259103. The next prime is 231259157. The reversal of 231259125 is 521952132.
It is not a de Polignac number, because 231259125 - 29 = 231258613 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 231259092 and 231259101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131502 + ... + 133248.
It is an arithmetic number, because the mean of its divisors is an integer number (12066444).
Almost surely, 2231259125 is an apocalyptic number.
231259125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
231259125 is a deficient number, since it is larger than the sum of its proper divisors (154867083).
231259125 is a wasteful number, since it uses less digits than its factorization.
231259125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2118 (or 2108 counting only the distinct ones).
The product of its digits is 5400, while the sum is 30.
The square root of 231259125 is about 15207.2063509377. The cubic root of 231259125 is about 613.8085864020.
The spelling of 231259125 in words is "two hundred thirty-one million, two hundred fifty-nine thousand, one hundred twenty-five".
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