Base | Representation |
---|---|
bin | 110000001010… |
… | …0110001010001 |
3 | 1202111212201102 |
4 | 1200110301101 |
5 | 22431012042 |
6 | 2301114145 |
7 | 424425530 |
oct | 140246121 |
9 | 52455642 |
10 | 25250897 |
11 | 13287411 |
12 | 8558955 |
13 | 5301479 |
14 | 34d4317 |
15 | 233bb32 |
hex | 1814c51 |
25250897 has 8 divisors (see below), whose sum is σ = 28920000. Its totient is φ = 21597264.
The previous prime is 25250887. The next prime is 25250917. The reversal of 25250897 is 79805252.
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 25250897 - 214 = 25234513 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 25250897.
It is not an unprimeable number, because it can be changed into a prime (25250887) 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, 122 + ... + 7107.
It is an arithmetic number, because the mean of its divisors is an integer number (3615000).
Almost surely, 225250897 is an apocalyptic number.
It is an amenable number.
25250897 is a deficient number, since it is larger than the sum of its proper divisors (3669103).
25250897 is an equidigital number, since it uses as much as digits as its factorization.
25250897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7735.
The product of its (nonzero) digits is 50400, while the sum is 38.
The square root of 25250897 is about 5025.0270646037. The cubic root of 25250897 is about 293.3766893846.
The spelling of 25250897 in words is "twenty-five million, two hundred fifty thousand, eight hundred ninety-seven".
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