Base | Representation |
---|---|
bin | 101111101110… |
… | …0011100011110 |
3 | 1202002011020201 |
4 | 1133130130132 |
5 | 22401121230 |
6 | 2252134114 |
7 | 422445106 |
oct | 137343436 |
9 | 52064221 |
10 | 25020190 |
11 | 1313a048 |
12 | 846733a |
13 | 5250460 |
14 | 3474206 |
15 | 22e35ca |
hex | 17dc71e |
25020190 has 16 divisors (see below), whose sum is σ = 48500928. Its totient is φ = 9238176.
The previous prime is 25020181. The next prime is 25020211. The reversal of 25020190 is 9102052.
It is a super-2 number, since 2×250201902 = 1252019815272200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96102 + ... + 96361.
It is an arithmetic number, because the mean of its divisors is an integer number (3031308).
Almost surely, 225020190 is an apocalyptic number.
25020190 is a deficient number, since it is larger than the sum of its proper divisors (23480738).
25020190 is a wasteful number, since it uses less digits than its factorization.
25020190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192483.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 25020190 is about 5002.0185925284. The cubic root of 25020190 is about 292.4804671983.
The spelling of 25020190 in words is "twenty-five million, twenty thousand, one hundred ninety".
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