Base | Representation |
---|---|
bin | 1001100101001… |
… | …01000001000000 |
3 | 12121020002201202 |
4 | 10302211001000 |
5 | 131033231210 |
6 | 11550320332 |
7 | 1664054051 |
oct | 462450100 |
9 | 177202652 |
10 | 80367680 |
11 | 41402478 |
12 | 22ab90a8 |
13 | 1385b853 |
14 | a960728 |
15 | 70c79a5 |
hex | 4ca5040 |
80367680 has 28 divisors (see below), whose sum is σ = 191376300. Its totient is φ = 32146944.
The previous prime is 80367659. The next prime is 80367691. The reversal of 80367680 is 8676308.
It can be written as a sum of positive squares in 2 ways, for example, as 51380224 + 28987456 = 7168^2 + 5384^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125255 + ... + 125894.
Almost surely, 280367680 is an apocalyptic number.
80367680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80367680 is an abundant number, since it is smaller than the sum of its proper divisors (111008620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80367680 is a wasteful number, since it uses less digits than its factorization.
80367680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251166 (or 251156 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 80367680 is about 8964.8022844902. The cubic root of 80367680 is about 431.5460480677.
The spelling of 80367680 in words is "eighty million, three hundred sixty-seven thousand, six hundred eighty".
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