Base | Representation |
---|---|
bin | 110000000011… |
… | …0000111100101 |
3 | 1202101211101202 |
4 | 1200012013211 |
5 | 22422102020 |
6 | 2255532245 |
7 | 424055546 |
oct | 140060745 |
9 | 52354352 |
10 | 25190885 |
11 | 13246315 |
12 | 852a085 |
13 | 52b0065 |
14 | 34ba4cd |
15 | 2328e75 |
hex | 18061e5 |
25190885 has 8 divisors (see below), whose sum is σ = 30329376. Its totient is φ = 20085840.
The previous prime is 25190873. The next prime is 25190887. The reversal of 25190885 is 58809152.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25190885 - 28 = 25190629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25190887) 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, 6671 + ... + 9740.
It is an arithmetic number, because the mean of its divisors is an integer number (3791172).
Almost surely, 225190885 is an apocalyptic number.
It is an amenable number.
25190885 is a deficient number, since it is larger than the sum of its proper divisors (5138491).
25190885 is a wasteful number, since it uses less digits than its factorization.
25190885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16723.
The product of its (nonzero) digits is 28800, while the sum is 38.
The square root of 25190885 is about 5019.0522013623. The cubic root of 25190885 is about 293.1440892244.
The spelling of 25190885 in words is "twenty-five million, one hundred ninety thousand, eight hundred eighty-five".
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