Base | Representation |
---|---|
bin | 101111101111… |
… | …1011001011101 |
3 | 1202002202211200 |
4 | 1133133121131 |
5 | 22402013120 |
6 | 2252310113 |
7 | 422525265 |
oct | 137373135 |
9 | 52082750 |
10 | 25032285 |
11 | 13148143 |
12 | 8472339 |
13 | 5255b05 |
14 | 34787a5 |
15 | 22e6e90 |
hex | 17df65d |
25032285 has 12 divisors (see below), whose sum is σ = 43389372. Its totient is φ = 13350528.
The previous prime is 25032277. The next prime is 25032353. The reversal of 25032285 is 58223052.
It can be written as a sum of positive squares in 2 ways, for example, as 15705369 + 9326916 = 3963^2 + 3054^2 .
It is not a de Polignac number, because 25032285 - 23 = 25032277 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278092 + ... + 278181.
It is an arithmetic number, because the mean of its divisors is an integer number (3615781).
Almost surely, 225032285 is an apocalyptic number.
It is an amenable number.
25032285 is a deficient number, since it is larger than the sum of its proper divisors (18357087).
25032285 is a wasteful number, since it uses less digits than its factorization.
25032285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 556284 (or 556281 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 25032285 is about 5003.2274583513. The cubic root of 25032285 is about 292.5275888945.
The spelling of 25032285 in words is "twenty-five million, thirty-two thousand, two hundred eighty-five".
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