Base | Representation |
---|---|
bin | 101111101101… |
… | …0011101101111 |
3 | 1202001202010022 |
4 | 1133122131233 |
5 | 22400341304 |
6 | 2252032355 |
7 | 422412341 |
oct | 137323557 |
9 | 52052108 |
10 | 25012079 |
11 | 13133a44 |
12 | 84626bb |
13 | 5249861 |
14 | 3471291 |
15 | 22e0ebe |
hex | 17da76f |
25012079 has 2 divisors, whose sum is σ = 25012080. Its totient is φ = 25012078.
The previous prime is 25012073. The next prime is 25012087. The reversal of 25012079 is 97021052.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25012079 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25012073) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506039 + 12506040.
It is an arithmetic number, because the mean of its divisors is an integer number (12506040).
Almost surely, 225012079 is an apocalyptic number.
25012079 is a deficient number, since it is larger than the sum of its proper divisors (1).
25012079 is an equidigital number, since it uses as much as digits as its factorization.
25012079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 25012079 is about 5001.2077541330. The cubic root of 25012079 is about 292.4488585193.
The spelling of 25012079 in words is "twenty-five million, twelve thousand, seventy-nine".
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