Base | Representation |
---|---|
bin | 110000001010110… |
… | …001111111100100 |
3 | 2002022122101111022 |
4 | 300022301333210 |
5 | 3123340220310 |
6 | 212105030312 |
7 | 26012004443 |
oct | 6012617744 |
9 | 2068571438 |
10 | 808132580 |
11 | 385195a72 |
12 | 1a6785398 |
13 | cb56c778 |
14 | 79484d5a |
15 | 4ae31a55 |
hex | 302b1fe4 |
808132580 has 12 divisors (see below), whose sum is σ = 1697078460. Its totient is φ = 323253024.
The previous prime is 808132573. The next prime is 808132607. The reversal of 808132580 is 85231808.
808132580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 92891044 + 715241536 = 9638^2 + 26744^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 808132580.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20203295 + ... + 20203334.
It is an arithmetic number, because the mean of its divisors is an integer number (141423205).
Almost surely, 2808132580 is an apocalyptic number.
It is an amenable number.
808132580 is an abundant number, since it is smaller than the sum of its proper divisors (888945880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808132580 is a wasteful number, since it uses less digits than its factorization.
808132580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40406638 (or 40406636 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 35.
The square root of 808132580 is about 28427.6727855095. The cubic root of 808132580 is about 931.4528415404.
The spelling of 808132580 in words is "eight hundred eight million, one hundred thirty-two thousand, five hundred eighty".
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