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82992031 is a prime number
BaseRepresentation
bin1001111001001…
…01101110011111
312210011102122221
410330211232133
5132221221111
612122450211
72025264163
oct474455637
9183142587
1082992031
1142935161
1223963967
131426a215
14b044ca3
157445371
hex4f25b9f

82992031 has 2 divisors, whose sum is σ = 82992032. Its totient is φ = 82992030.

The previous prime is 82992023. The next prime is 82992047. The reversal of 82992031 is 13029928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82992031 - 23 = 82992023 is a prime.

It is a super-2 number, since 2×829920312 = 13775354419009922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82992001) 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, 41496015 + 41496016.

It is an arithmetic number, because the mean of its divisors is an integer number (41496016).

Almost surely, 282992031 is an apocalyptic number.

82992031 is a deficient number, since it is larger than the sum of its proper divisors (1).

82992031 is an equidigital number, since it uses as much as digits as its factorization.

82992031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 82992031 is about 9109.9962129520. The cubic root of 82992031 is about 436.1931063207.

The spelling of 82992031 in words is "eighty-two million, nine hundred ninety-two thousand, thirty-one".