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992111 is a prime number
BaseRepresentation
bin11110010001101101111
31212101220212
43302031233
5223221421
633133035
711301311
oct3621557
91771825
10992111
1161842a
123ba17b
13289763
141bb7b1
15148e5b
hexf236f

992111 has 2 divisors, whose sum is σ = 992112. Its totient is φ = 992110.

The previous prime is 992087. The next prime is 992113. The reversal of 992111 is 111299.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-992111 is a prime.

Together with 992113, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496055 + 496056.

It is an arithmetic number, because the mean of its divisors is an integer number (496056).

2992111 is an apocalyptic number.

992111 is a deficient number, since it is larger than the sum of its proper divisors (1).

992111 is an equidigital number, since it uses as much as digits as its factorization.

992111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 23.

The square root of 992111 is about 996.0476896213. The cubic root of 992111 is about 99.7363387719.

The spelling of 992111 in words is "nine hundred ninety-two thousand, one hundred eleven".