Base | Representation |
---|---|
bin | 10010101001111… |
… | …011010110010100 |
3 | 210210221002001121 |
4 | 102221323112110 |
5 | 1120110342014 |
6 | 51020133324 |
7 | 10520202466 |
oct | 2251732624 |
9 | 723832047 |
10 | 312980884 |
11 | 150740197 |
12 | 88997244 |
13 | 4cac43b8 |
14 | 2d7d2136 |
15 | 1c725124 |
hex | 12a7b594 |
312980884 has 12 divisors (see below), whose sum is σ = 551715444. Its totient is φ = 155347904.
The previous prime is 312980873. The next prime is 312980887. The reversal of 312980884 is 488089213.
312980884 is digitally balanced in base 3, 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 99002500 + 213978384 = 9950^2 + 14628^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 312980884.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312980887) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285019 + ... + 286114.
It is an arithmetic number, because the mean of its divisors is an integer number (45976287).
Almost surely, 2312980884 is an apocalyptic number.
It is an amenable number.
312980884 is a deficient number, since it is larger than the sum of its proper divisors (238734560).
312980884 is a wasteful number, since it uses less digits than its factorization.
312980884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 571274 (or 571272 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 43.
The square root of 312980884 is about 17691.2657546033. The cubic root of 312980884 is about 678.9523110869.
The spelling of 312980884 in words is "three hundred twelve million, nine hundred eighty thousand, eight hundred eighty-four".
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