Base | Representation |
---|---|
bin | 110001011111… |
… | …0010000101010 |
3 | 1210211011000202 |
4 | 1202332100222 |
5 | 23120221010 |
6 | 2324032202 |
7 | 433346531 |
oct | 142762052 |
9 | 53734022 |
10 | 25945130 |
11 | 13710a62 |
12 | 8832662 |
13 | 54b5463 |
14 | 3635318 |
15 | 24276a5 |
hex | 18be42a |
25945130 has 16 divisors (see below), whose sum is σ = 47467944. Its totient is φ = 10207680.
The previous prime is 25945099. The next prime is 25945163. The reversal of 25945130 is 3154952.
It can be written as a sum of positive squares in 4 ways, for example, as 10975969 + 14969161 = 3313^2 + 3869^2 .
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 25945093 and 25945102.
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, 20657 + ... + 21876.
Almost surely, 225945130 is an apocalyptic number.
25945130 is a deficient number, since it is larger than the sum of its proper divisors (21522814).
25945130 is a wasteful number, since it uses less digits than its factorization.
25945130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42601.
The product of its (nonzero) digits is 5400, while the sum is 29.
The square root of 25945130 is about 5093.6362257232. The cubic root of 25945130 is about 296.0410598629.
The spelling of 25945130 in words is "twenty-five million, nine hundred forty-five thousand, one hundred thirty".
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