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39089 is a prime number
BaseRepresentation
bin1001100010110001
31222121202
421202301
52222324
6500545
7221651
oct114261
958552
1039089
1127406
121a755
1314a3b
1410361
15b8ae
hex98b1

39089 has 2 divisors, whose sum is σ = 39090. Its totient is φ = 39088.

The previous prime is 39079. The next prime is 39097. The reversal of 39089 is 98093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30625 + 8464 = 175^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 39089 - 28 = 38833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (39019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19544 + 19545.

It is an arithmetic number, because the mean of its divisors is an integer number (19545).

239089 is an apocalyptic number.

It is an amenable number.

39089 is a deficient number, since it is larger than the sum of its proper divisors (1).

39089 is an equidigital number, since it uses as much as digits as its factorization.

39089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 39089 is about 197.7093826807. The cubic root of 39089 is about 33.9378912268.

Subtracting from 39089 its sum of digits (29), we obtain a triangular number (39060 = T279).

The spelling of 39089 in words is "thirty-nine thousand, eighty-nine".