Base | Representation |
---|---|
bin | 1001101000100… |
… | …00011010010000 |
3 | 12122001110010220 |
4 | 10310100122100 |
5 | 131141320233 |
6 | 12003553040 |
7 | 2000565402 |
oct | 464203220 |
9 | 178043126 |
10 | 80807568 |
11 | 41682a16 |
12 | 2308b780 |
13 | 13983b3a |
14 | aa36b72 |
15 | 7162eb3 |
hex | 4d10690 |
80807568 has 20 divisors (see below), whose sum is σ = 208753008. Its totient is φ = 26935840.
The previous prime is 80807567. The next prime is 80807603. The reversal of 80807568 is 86570808.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (80807567) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841698 + ... + 841793.
Almost surely, 280807568 is an apocalyptic number.
It is an amenable number.
80807568 is an abundant number, since it is smaller than the sum of its proper divisors (127945440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80807568 is a wasteful number, since it uses less digits than its factorization.
80807568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1683502 (or 1683496 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 42.
The square root of 80807568 is about 8989.3029763158. The cubic root of 80807568 is about 432.3319636353.
The spelling of 80807568 in words is "eighty million, eight hundred seven thousand, five hundred sixty-eight".
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