Base | Representation |
---|---|
bin | 101111101111… |
… | …0010100110001 |
3 | 1202002112210212 |
4 | 1133132110301 |
5 | 22401343024 |
6 | 2252233505 |
7 | 422506415 |
oct | 137362461 |
9 | 52075725 |
10 | 25027889 |
11 | 13144907 |
12 | 846b895 |
13 | 5253b03 |
14 | 3476d45 |
15 | 22e5a0e |
hex | 17de531 |
25027889 has 2 divisors, whose sum is σ = 25027890. Its totient is φ = 25027888.
The previous prime is 25027879. The next prime is 25027897. The reversal of 25027889 is 98872052.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25000000 + 27889 = 5000^2 + 167^2 .
It is a cyclic number.
It is not a de Polignac number, because 25027889 - 224 = 8250673 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (25027879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513944 + 12513945.
It is an arithmetic number, because the mean of its divisors is an integer number (12513945).
Almost surely, 225027889 is an apocalyptic number.
It is an amenable number.
25027889 is a deficient number, since it is larger than the sum of its proper divisors (1).
25027889 is an equidigital number, since it uses as much as digits as its factorization.
25027889 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 80640, while the sum is 41.
The square root of 25027889 is about 5002.7881226372. The cubic root of 25027889 is about 292.5104639888.
The spelling of 25027889 in words is "twenty-five million, twenty-seven thousand, eight hundred eighty-nine".
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