Base | Representation |
---|---|
bin | 1001101000011… |
… | …10101100110000 |
3 | 12122001002112100 |
4 | 10310032230300 |
5 | 131141104220 |
6 | 12003500400 |
7 | 2000536101 |
oct | 464165460 |
9 | 178032470 |
10 | 80800560 |
11 | 41678725 |
12 | 23087700 |
13 | 139808a9 |
14 | aa343a8 |
15 | 7160d90 |
hex | 4d0eb30 |
80800560 has 60 divisors (see below), whose sum is σ = 271357632. Its totient is φ = 21546624.
The previous prime is 80800529. The next prime is 80800579. The reversal of 80800560 is 6500808.
It is a tau number, because it is divible by the number of its divisors (60).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55392 + ... + 56831.
Almost surely, 280800560 is an apocalyptic number.
80800560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80800560 is an abundant number, since it is smaller than the sum of its proper divisors (190557072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80800560 is a wasteful number, since it uses less digits than its factorization.
80800560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112242 (or 112233 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 80800560 is about 8988.9131712349. The cubic root of 80800560 is about 432.3194653422.
The spelling of 80800560 in words is "eighty million, eight hundred thousand, five hundred sixty".
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