Base | Representation |
---|---|
bin | 101111101011… |
… | …1100010111101 |
3 | 1202001010201120 |
4 | 1133113202331 |
5 | 22400001000 |
6 | 2251501153 |
7 | 422332443 |
oct | 137274275 |
9 | 52033646 |
10 | 25000125 |
11 | 13125a67 |
12 | 84577b9 |
13 | 5244297 |
14 | 346ab93 |
15 | 22dc6a0 |
hex | 17d78bd |
25000125 has 32 divisors (see below), whose sum is σ = 41957760. Its totient is φ = 13219200.
The previous prime is 25000111. The next prime is 25000127. The reversal of 25000125 is 52100052.
It is not a de Polignac number, because 25000125 - 24 = 25000109 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25000127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60921 + ... + 61329.
It is an arithmetic number, because the mean of its divisors is an integer number (1311180).
Almost surely, 225000125 is an apocalyptic number.
25000125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25000125 is a deficient number, since it is larger than the sum of its proper divisors (16957635).
25000125 is a wasteful number, since it uses less digits than its factorization.
25000125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 590 (or 580 counting only the distinct ones).
The product of its (nonzero) digits is 100, while the sum is 15.
The square root of 25000125 is about 5000.0124999844. The cubic root of 25000125 is about 292.4022611568.
Adding to 25000125 its reverse (52100052), we get a palindrome (77100177).
The spelling of 25000125 in words is "twenty-five million, one hundred twenty-five", and thus it is an aban number.
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