Base | Representation |
---|---|
bin | 1001100011000… |
… | …00101111011001 |
3 | 12120200220010011 |
4 | 10301200233121 |
5 | 131000304100 |
6 | 11540321521 |
7 | 1661510533 |
oct | 461405731 |
9 | 176626104 |
10 | 80088025 |
11 | 41231356 |
12 | 229a32a1 |
13 | 13791484 |
14 | a8ca853 |
15 | 706ebba |
hex | 4c60bd9 |
80088025 has 12 divisors (see below), whose sum is σ = 99686700. Its totient is φ = 63826880.
The previous prime is 80088007. The next prime is 80088031. The reversal of 80088025 is 52088008.
It can be written as a sum of positive squares in 6 ways, for example, as 17614809 + 62473216 = 4197^2 + 7904^2 .
It is not a de Polignac number, because 80088025 - 25 = 80087993 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771 + ... + 12679.
It is an arithmetic number, because the mean of its divisors is an integer number (8307225).
Almost surely, 280088025 is an apocalyptic number.
It is an amenable number.
80088025 is a deficient number, since it is larger than the sum of its proper divisors (19598675).
80088025 is a wasteful number, since it uses less digits than its factorization.
80088025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12188 (or 12183 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 31.
The square root of 80088025 is about 8949.1913042464. The cubic root of 80088025 is about 431.0449168398.
The spelling of 80088025 in words is "eighty million, eighty-eight thousand, twenty-five".
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