Base | Representation |
---|---|
bin | 1001110111111… |
… | …10100100110101 |
3 | 12202212021200121 |
4 | 10323332210311 |
5 | 132201103134 |
6 | 12115211541 |
7 | 2024025514 |
oct | 473764465 |
9 | 182767617 |
10 | 82831669 |
11 | 42835728 |
12 | 238a6bb1 |
13 | 1421222b |
14 | b00267b |
15 | 7412ab4 |
hex | 4efe935 |
82831669 has 2 divisors, whose sum is σ = 82831670. Its totient is φ = 82831668.
The previous prime is 82831657. The next prime is 82831703. The reversal of 82831669 is 96613828.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 75047569 + 7784100 = 8663^2 + 2790^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-82831669 is a prime.
It is a super-2 number, since 2×828316692 = 13722170778651122, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (82831649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41415834 + 41415835.
It is an arithmetic number, because the mean of its divisors is an integer number (41415835).
Almost surely, 282831669 is an apocalyptic number.
It is an amenable number.
82831669 is a deficient number, since it is larger than the sum of its proper divisors (1).
82831669 is an equidigital number, since it uses as much as digits as its factorization.
82831669 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 124416, while the sum is 43.
The square root of 82831669 is about 9101.1905265190. The cubic root of 82831669 is about 435.9119793276.
The spelling of 82831669 in words is "eighty-two million, eight hundred thirty-one thousand, six hundred sixty-nine".
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