Base | Representation |
---|---|
bin | 110000001110… |
… | …1010111101101 |
3 | 1202120200001011 |
4 | 1200131113231 |
5 | 22433124000 |
6 | 2301545221 |
7 | 424633324 |
oct | 140352755 |
9 | 52520034 |
10 | 25286125 |
11 | 13300927 |
12 | 8575211 |
13 | 5314507 |
14 | 35030bb |
15 | 23472ba |
hex | 181d5ed |
25286125 has 8 divisors (see below), whose sum is σ = 31557240. Its totient is φ = 20228800.
The previous prime is 25286117. The next prime is 25286137. The reversal of 25286125 is 52168252.
It can be written as a sum of positive squares in 4 ways, for example, as 4519876 + 20766249 = 2126^2 + 4557^2 .
It is not a de Polignac number, because 25286125 - 23 = 25286117 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101020 + ... + 101269.
It is an arithmetic number, because the mean of its divisors is an integer number (3944655).
Almost surely, 225286125 is an apocalyptic number.
25286125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25286125 is a deficient number, since it is larger than the sum of its proper divisors (6271115).
25286125 is an equidigital number, since it uses as much as digits as its factorization.
25286125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202304 (or 202294 counting only the distinct ones).
The product of its digits is 9600, while the sum is 31.
The square root of 25286125 is about 5028.5310976467. The cubic root of 25286125 is about 293.5130577615.
The spelling of 25286125 in words is "twenty-five million, two hundred eighty-six thousand, one hundred twenty-five".
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