Base | Representation |
---|---|
bin | 1001100110011… |
… | …00110000111100 |
3 | 12121112101001211 |
4 | 10303030300330 |
5 | 131103433432 |
6 | 11554014204 |
7 | 1665332530 |
oct | 463146074 |
9 | 177471054 |
10 | 80530492 |
11 | 41503829 |
12 | 22b77364 |
13 | 138b79a3 |
14 | a9a3bc0 |
15 | 710ad47 |
hex | 4cccc3c |
80530492 has 24 divisors (see below), whose sum is σ = 163704800. Its totient is φ = 33946560.
The previous prime is 80530487. The next prime is 80530511. The reversal of 80530492 is 29403508.
It is a congruent number.
It is an unprimeable number.
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, 21867 + ... + 25282.
Almost surely, 280530492 is an apocalyptic number.
It is an amenable number.
80530492 is an abundant number, since it is smaller than the sum of its proper divisors (83174308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80530492 is a wasteful number, since it uses less digits than its factorization.
80530492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47221 (or 47219 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 80530492 is about 8973.8783143076. The cubic root of 80530492 is about 431.8372658091.
The spelling of 80530492 in words is "eighty million, five hundred thirty thousand, four hundred ninety-two".
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