Base | Representation |
---|---|
bin | 110001100001111… |
… | …111000110111111 |
3 | 2010220122210212021 |
4 | 301201333012333 |
5 | 3200213232311 |
6 | 214243021011 |
7 | 26410215424 |
oct | 6141770677 |
9 | 2126583767 |
10 | 830992831 |
11 | 39708a239 |
12 | 1b236a767 |
13 | 103214a46 |
14 | 7c515d4b |
15 | 4ce4a171 |
hex | 3187f1bf |
830992831 has 2 divisors, whose sum is σ = 830992832. Its totient is φ = 830992830.
The previous prime is 830992801. The next prime is 830992843. The reversal of 830992831 is 138299038.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 830992831 - 221 = 828895679 is a prime.
It is a super-2 number, since 2×8309928312 = 1381098170346789122, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (830992801) 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, 415496415 + 415496416.
It is an arithmetic number, because the mean of its divisors is an integer number (415496416).
Almost surely, 2830992831 is an apocalyptic number.
830992831 is a deficient number, since it is larger than the sum of its proper divisors (1).
830992831 is an equidigital number, since it uses as much as digits as its factorization.
830992831 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 93312, while the sum is 43.
The square root of 830992831 is about 28826.9462656036. The cubic root of 830992831 is about 940.1542039912.
The spelling of 830992831 in words is "eight hundred thirty million, nine hundred ninety-two thousand, eight hundred thirty-one".
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