Base | Representation |
---|---|
bin | 110000001110… |
… | …1110110111101 |
3 | 1202120202210020 |
4 | 1200131312331 |
5 | 22433210000 |
6 | 2302002353 |
7 | 424642212 |
oct | 140356675 |
9 | 52522706 |
10 | 25288125 |
11 | 13302385 |
12 | 85763b9 |
13 | 53153b5 |
14 | 3503b09 |
15 | 2347ba0 |
hex | 181ddbd |
25288125 has 20 divisors (see below), whose sum is σ = 42136512. Its totient is φ = 13486000.
The previous prime is 25288117. The next prime is 25288127. The reversal of 25288125 is 52188252.
It is not a de Polignac number, because 25288125 - 23 = 25288117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25288127) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4869 + ... + 8618.
Almost surely, 225288125 is an apocalyptic number.
25288125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25288125 is a deficient number, since it is larger than the sum of its proper divisors (16848387).
25288125 is an equidigital number, since it uses as much as digits as its factorization.
25288125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13510 (or 13495 counting only the distinct ones).
The product of its digits is 12800, while the sum is 33.
The square root of 25288125 is about 5028.7299589459. The cubic root of 25288125 is about 293.5207960058.
The spelling of 25288125 in words is "twenty-five million, two hundred eighty-eight thousand, one hundred twenty-five".
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