Base | Representation |
---|---|
bin | 110000001111… |
… | …1110000001111 |
3 | 1202121011102201 |
4 | 1200133300033 |
5 | 22433432022 |
6 | 2302102331 |
7 | 425003641 |
oct | 140376017 |
9 | 52534381 |
10 | 25295887 |
11 | 133081a1 |
12 | 857a9a7 |
13 | 5318aa6 |
14 | 3506891 |
15 | 234a127 |
hex | 181fc0f |
25295887 has 8 divisors (see below), whose sum is σ = 25803504. Its totient is φ = 24792768.
The previous prime is 25295867. The next prime is 25295903. The reversal of 25295887 is 78859252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25295887 - 223 = 16907279 is a prime.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25295867) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11628 + ... + 13630.
It is an arithmetic number, because the mean of its divisors is an integer number (3225438).
Almost surely, 225295887 is an apocalyptic number.
25295887 is a deficient number, since it is larger than the sum of its proper divisors (507617).
25295887 is a wasteful number, since it uses less digits than its factorization.
25295887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2249.
The product of its digits is 403200, while the sum is 46.
The square root of 25295887 is about 5029.5016651752. The cubic root of 25295887 is about 293.5508242682.
The spelling of 25295887 in words is "twenty-five million, two hundred ninety-five thousand, eight hundred eighty-seven".
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