Base | Representation |
---|---|
bin | 1001100100100… |
… | …01001101100100 |
3 | 12121001222110110 |
4 | 10302101031210 |
5 | 131023132224 |
6 | 11544453020 |
7 | 1663265421 |
oct | 462211544 |
9 | 177058413 |
10 | 80286564 |
11 | 41357536 |
12 | 22a7a170 |
13 | 13830957 |
14 | a93cd48 |
15 | 70ad929 |
hex | 4c91364 |
80286564 has 48 divisors (see below), whose sum is σ = 191217600. Its totient is φ = 26213760.
The previous prime is 80286541. The next prime is 80286581. The reversal of 80286564 is 46568208.
It is a super-3 number, since 3×802865643 (a number of 25 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148134 + ... + 148674.
It is an arithmetic number, because the mean of its divisors is an integer number (3983700).
Almost surely, 280286564 is an apocalyptic number.
It is an amenable number.
80286564 is an abundant number, since it is smaller than the sum of its proper divisors (110931036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80286564 is a wasteful number, since it uses less digits than its factorization.
80286564 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 780 (or 778 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 39.
The square root of 80286564 is about 8960.2770046467. The cubic root of 80286564 is about 431.4008111063.
The spelling of 80286564 in words is "eighty million, two hundred eighty-six thousand, five hundred sixty-four".
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