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80589 = 326863
BaseRepresentation
bin10011101011001101
311002112210
4103223031
510034324
61421033
7453645
oct235315
9132483
1080589
1155603
123a779
132a8b2
1421525
1518d29
hex13acd

80589 has 4 divisors (see below), whose sum is σ = 107456. Its totient is φ = 53724.

The previous prime is 80567. The next prime is 80599. The reversal of 80589 is 98508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 80589 - 25 = 80557 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13429 + ... + 13434.

It is an arithmetic number, because the mean of its divisors is an integer number (26864).

280589 is an apocalyptic number.

It is an amenable number.

80589 is a deficient number, since it is larger than the sum of its proper divisors (26867).

80589 is a wasteful number, since it uses less digits than its factorization.

80589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26866.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 80589 is about 283.8820177468. The cubic root of 80589 is about 43.1941821726.

The spelling of 80589 in words is "eighty thousand, five hundred eighty-nine".

Divisors: 1 3 26863 80589