Base | Representation |
---|---|
bin | 110001100100… |
… | …0000001101010 |
3 | 1210220011220020 |
4 | 1203020001222 |
5 | 23123011010 |
6 | 2324541310 |
7 | 433604253 |
oct | 143100152 |
9 | 53804806 |
10 | 25985130 |
11 | 13739016 |
12 | 8851836 |
13 | 54ca722 |
14 | 3645b2a |
15 | 2434470 |
hex | 18c806a |
25985130 has 32 divisors (see below), whose sum is σ = 64378368. Its totient is φ = 6705600.
The previous prime is 25985111. The next prime is 25985159. The reversal of 25985130 is 3158952.
It is a super-2 number, since 2×259851302 = 1350453962233800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 25985091 and 25985100.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13041 + ... + 14900.
It is an arithmetic number, because the mean of its divisors is an integer number (2011824).
Almost surely, 225985130 is an apocalyptic number.
25985130 is an abundant number, since it is smaller than the sum of its proper divisors (38393238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25985130 is a wasteful number, since it uses less digits than its factorization.
25985130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27982.
The product of its (nonzero) digits is 10800, while the sum is 33.
The square root of 25985130 is about 5097.5611815848. The cubic root of 25985130 is about 296.1931187415.
The spelling of 25985130 in words is "twenty-five million, nine hundred eighty-five thousand, one hundred thirty".
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