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830992831 is a prime number
BaseRepresentation
bin110001100001111…
…111000110111111
32010220122210212021
4301201333012333
53200213232311
6214243021011
726410215424
oct6141770677
92126583767
10830992831
1139708a239
121b236a767
13103214a46
147c515d4b
154ce4a171
hex3187f1bf

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".