Base | Representation |
---|---|
bin | 1001100110001… |
… | …01101001010000 |
3 | 12121110220001200 |
4 | 10303011221100 |
5 | 131102020303 |
6 | 11553231200 |
7 | 1665151515 |
oct | 463055120 |
9 | 177426050 |
10 | 80501328 |
11 | 41493926 |
12 | 22b62500 |
13 | 138a762b |
14 | a99730c |
15 | 71023a3 |
hex | 4cc5a50 |
80501328 has 60 divisors (see below), whose sum is σ = 237157440. Its totient is φ = 25420608.
The previous prime is 80501287. The next prime is 80501339. The reversal of 80501328 is 82310508.
It is a happy number.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 11976 + ... + 17447.
It is an arithmetic number, because the mean of its divisors is an integer number (3952624).
Almost surely, 280501328 is an apocalyptic number.
It is an amenable number.
80501328 is an abundant number, since it is smaller than the sum of its proper divisors (156656112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80501328 is a wasteful number, since it uses less digits than its factorization.
80501328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29456 (or 29447 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 80501328 is about 8972.2532287046. The cubic root of 80501328 is about 431.7851297700.
Subtracting from 80501328 its product of nonzero digits (1920), we obtain a palindrome (80499408).
The spelling of 80501328 in words is "eighty million, five hundred one thousand, three hundred twenty-eight".
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