Base | Representation |
---|---|
bin | 1001100100001… |
… | …10111110111010 |
3 | 12120222211222200 |
4 | 10302012332322 |
5 | 131020312131 |
6 | 11543531030 |
7 | 1663032315 |
oct | 462067672 |
9 | 176884880 |
10 | 80244666 |
11 | 41329007 |
12 | 22a59a76 |
13 | 13817868 |
14 | a92b97c |
15 | 70a12e6 |
hex | 4c86fba |
80244666 has 48 divisors (see below), whose sum is σ = 177766056. Its totient is φ = 26155008.
The previous prime is 80244643. The next prime is 80244673. The reversal of 80244666 is 66644208.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 78057225 + 2187441 = 8835^2 + 1479^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 80244666.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227146 + ... + 227498.
Almost surely, 280244666 is an apocalyptic number.
80244666 is an abundant number, since it is smaller than the sum of its proper divisors (97521390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80244666 is a wasteful number, since it uses less digits than its factorization.
80244666 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 607 (or 604 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The square root of 80244666 is about 8957.9387137890. The cubic root of 80244666 is about 431.3257550598.
The spelling of 80244666 in words is "eighty million, two hundred forty-four thousand, six hundred sixty-six".
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