Base | Representation |
---|---|
bin | 11010000011000001100011 |
3 | 110211220102202 |
4 | 122003001203 |
5 | 3222000011 |
6 | 402203415 |
7 | 112016042 |
oct | 32030143 |
9 | 13756382 |
10 | 6828131 |
11 | 3944092 |
12 | 235356b |
13 | 1550c1b |
14 | c9a559 |
15 | 8ed23b |
hex | 683063 |
6828131 has 2 divisors, whose sum is σ = 6828132. Its totient is φ = 6828130.
The previous prime is 6828109. The next prime is 6828139. The reversal of 6828131 is 1318286.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 6828131 - 218 = 6565987 is a prime.
It is a super-2 number, since 2×68281312 = 93246745906322, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 6828094 and 6828103.
It is not a weakly prime, because it can be changed into another prime (6828139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3414065 + 3414066.
It is an arithmetic number, because the mean of its divisors is an integer number (3414066).
Almost surely, 26828131 is an apocalyptic number.
6828131 is a deficient number, since it is larger than the sum of its proper divisors (1).
6828131 is an equidigital number, since it uses as much as digits as its factorization.
6828131 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2304, while the sum is 29.
The square root of 6828131 is about 2613.0692681213. The cubic root of 6828131 is about 189.7145390131.
The spelling of 6828131 in words is "six million, eight hundred twenty-eight thousand, one hundred thirty-one".
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