Base | Representation |
---|---|
bin | 110001011001101… |
… | …001111001111111 |
3 | 2010202112211222101 |
4 | 301121221321333 |
5 | 3144133340311 |
6 | 214124125531 |
7 | 26352521164 |
oct | 6131517177 |
9 | 2122484871 |
10 | 828808831 |
11 | 395928384 |
12 | 1b16968a7 |
13 | 10292b936 |
14 | 7c10806b |
15 | 4cb67ec1 |
hex | 31669e7f |
828808831 has 2 divisors, whose sum is σ = 828808832. Its totient is φ = 828808830.
The previous prime is 828808819. The next prime is 828808847. The reversal of 828808831 is 138808828.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 828808831 - 215 = 828776063 is a prime.
It is a super-2 number, since 2×8288088312 = 1373848156687173122, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (828808031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414404415 + 414404416.
It is an arithmetic number, because the mean of its divisors is an integer number (414404416).
Almost surely, 2828808831 is an apocalyptic number.
828808831 is a deficient number, since it is larger than the sum of its proper divisors (1).
828808831 is an equidigital number, since it uses as much as digits as its factorization.
828808831 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 196608, while the sum is 46.
The square root of 828808831 is about 28789.0401194621. The cubic root of 828808831 is about 939.3298494167.
The spelling of 828808831 in words is "eight hundred twenty-eight million, eight hundred eight thousand, eight hundred thirty-one".
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