Base | Representation |
---|---|
bin | 101111101011… |
… | …1100010110011 |
3 | 1202001010201012 |
4 | 1133113202303 |
5 | 22400000430 |
6 | 2251501135 |
7 | 422332430 |
oct | 137274263 |
9 | 52033635 |
10 | 25000115 |
11 | 13125a58 |
12 | 84577ab |
13 | 524428a |
14 | 346ab87 |
15 | 22dc695 |
hex | 17d78b3 |
25000115 has 16 divisors (see below), whose sum is σ = 36303552. Its totient is φ = 16134144.
The previous prime is 25000111. The next prime is 25000127. The reversal of 25000115 is 51100052.
It is a cyclic number.
It is not a de Polignac number, because 25000115 - 22 = 25000111 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 25000115.
It is not an unprimeable number, because it can be changed into a prime (25000111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20414 + ... + 21603.
It is an arithmetic number, because the mean of its divisors is an integer number (2268972).
Almost surely, 225000115 is an apocalyptic number.
25000115 is a deficient number, since it is larger than the sum of its proper divisors (11303437).
25000115 is a wasteful number, since it uses less digits than its factorization.
25000115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42046.
The product of its (nonzero) digits is 50, while the sum is 14.
The square root of 25000115 is about 5000.0114999868. The cubic root of 25000115 is about 292.4022221700.
Adding to 25000115 its reverse (51100052), we get a palindrome (76100167).
The spelling of 25000115 in words is "twenty-five million, one hundred fifteen", and thus it is an aban number.
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