Base | Representation |
---|---|
bin | 1001101000100… |
… | …10001001011000 |
3 | 12122001210220022 |
4 | 10310102021120 |
5 | 131142032210 |
6 | 12004050012 |
7 | 2000625212 |
oct | 464221130 |
9 | 178053808 |
10 | 80814680 |
11 | 416882a1 |
12 | 23093908 |
13 | 1398714b |
14 | aa395b2 |
15 | 7165155 |
hex | 4d12258 |
80814680 has 32 divisors (see below), whose sum is σ = 182453040. Its totient is φ = 32215680.
The previous prime is 80814661. The next prime is 80814703. The reversal of 80814680 is 8641808.
It is a self number, because there is not a number n which added to its sum of digits gives 80814680.
It is a congruent number.
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, 8990 + ... + 15570.
Almost surely, 280814680 is an apocalyptic number.
It is an amenable number.
80814680 is an abundant number, since it is smaller than the sum of its proper divisors (101638360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80814680 is a wasteful number, since it uses less digits than its factorization.
80814680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6899 (or 6895 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 35.
The square root of 80814680 is about 8989.6985488947. The cubic root of 80814680 is about 432.3446466665.
The spelling of 80814680 in words is "eighty million, eight hundred fourteen thousand, six hundred eighty".
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