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9992681 is a prime number
BaseRepresentation
bin100110000111…
…100111101001
3200210200101022
4212013213221
510024231211
6554102225
7150636116
oct46074751
920720338
109992681
115705716
12341a975
1320bb43a
14148190d
15d25bdb
hex9879e9

9992681 has 2 divisors, whose sum is σ = 9992682. Its totient is φ = 9992680.

The previous prime is 9992669. The next prime is 9992693. The reversal of 9992681 is 1862999.

It is a balanced prime because it is at equal distance from previous prime (9992669) and next prime (9992693).

It can be written as a sum of positive squares in only one way, i.e., 9211225 + 781456 = 3035^2 + 884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9992681 is a prime.

It is a super-2 number, since 2×99926812 = 199707347135522, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9992621) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996340 + 4996341.

It is an arithmetic number, because the mean of its divisors is an integer number (4996341).

Almost surely, 29992681 is an apocalyptic number.

It is an amenable number.

9992681 is a deficient number, since it is larger than the sum of its proper divisors (1).

9992681 is an equidigital number, since it uses as much as digits as its factorization.

9992681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 44.

The square root of 9992681 is about 3161.1202128359. The cubic root of 9992681 is about 215.3908951498.

The spelling of 9992681 in words is "nine million, nine hundred ninety-two thousand, six hundred eighty-one".