Base | Representation |
---|---|
bin | 101111110110… |
… | …1010011100001 |
3 | 1202012122222110 |
4 | 1133231103201 |
5 | 22410323444 |
6 | 2253425533 |
7 | 423153333 |
oct | 137552341 |
9 | 52178873 |
10 | 25089249 |
11 | 13186a19 |
12 | 849b2a9 |
13 | 5275a13 |
14 | 3491453 |
15 | 2308cb9 |
hex | 17ed4e1 |
25089249 has 8 divisors (see below), whose sum is σ = 33515680. Its totient is φ = 16694496.
The previous prime is 25089247. The next prime is 25089257. The reversal of 25089249 is 94298052.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25089249 - 21 = 25089247 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25089247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6004 + ... + 9285.
It is an arithmetic number, because the mean of its divisors is an integer number (4189460).
Almost surely, 225089249 is an apocalyptic number.
It is an amenable number.
25089249 is a deficient number, since it is larger than the sum of its proper divisors (8426431).
25089249 is a wasteful number, since it uses less digits than its factorization.
25089249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15839.
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 25089249 is about 5008.9169488024. The cubic root of 25089249 is about 292.7493147918.
The spelling of 25089249 in words is "twenty-five million, eighty-nine thousand, two hundred forty-nine".
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