Base | Representation |
---|---|
bin | 1001100101111… |
… | …00111010100000 |
3 | 12121102002000020 |
4 | 10302330322200 |
5 | 131044344233 |
6 | 11552353440 |
7 | 1664642331 |
oct | 462747240 |
9 | 177362006 |
10 | 80465568 |
11 | 41469a77 |
12 | 22b45880 |
13 | 13894281 |
14 | a988288 |
15 | 70e69b3 |
hex | 4cbcea0 |
80465568 has 48 divisors (see below), whose sum is σ = 211702176. Its totient is φ = 26760960.
The previous prime is 80465563. The next prime is 80465579. The reversal of 80465568 is 86556408.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (80465563) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 65730 + ... + 66942.
It is an arithmetic number, because the mean of its divisors is an integer number (4410462).
Almost surely, 280465568 is an apocalyptic number.
It is an amenable number.
80465568 is an abundant number, since it is smaller than the sum of its proper divisors (131236608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80465568 is a wasteful number, since it uses less digits than its factorization.
80465568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1917 (or 1909 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 42.
The square root of 80465568 is about 8970.2601968951. The cubic root of 80465568 is about 431.7211849735.
The spelling of 80465568 in words is "eighty million, four hundred sixty-five thousand, five hundred sixty-eight".
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