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80039 is a prime number
BaseRepresentation
bin10011100010100111
311001210102
4103202213
510030124
61414315
7452231
oct234247
9131712
1080039
1155153
123a39b
132a57b
1421251
1518aae
hex138a7

80039 has 2 divisors, whose sum is σ = 80040. Its totient is φ = 80038.

The previous prime is 80021. The next prime is 80051. The reversal of 80039 is 93008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80039 - 216 = 14503 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 80039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40019 + 40020.

It is an arithmetic number, because the mean of its divisors is an integer number (40020).

280039 is an apocalyptic number.

80039 is a deficient number, since it is larger than the sum of its proper divisors (1).

80039 is an equidigital number, since it uses as much as digits as its factorization.

80039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 80039 is about 282.9116469854. The cubic root of 80039 is about 43.0956945759.

It can be divided in two parts, 8003 and 9, that multiplied together give a palindrome (72027).

The spelling of 80039 in words is "eighty thousand, thirty-nine".