Search a number
-
+
83289 = 327763
BaseRepresentation
bin10100010101011001
311020020210
4110111121
510131124
61441333
7464553
oct242531
9136223
1083289
1157638
1240249
132bbab
14224d3
1519a29
hex14559

83289 has 4 divisors (see below), whose sum is σ = 111056. Its totient is φ = 55524.

The previous prime is 83273. The next prime is 83299. The reversal of 83289 is 98238.

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 83289 - 24 = 83273 is a prime.

It is a super-3 number, since 3×832893 = 1733341751599707, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (83219) 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, 13879 + ... + 13884.

It is an arithmetic number, because the mean of its divisors is an integer number (27764).

283289 is an apocalyptic number.

It is an amenable number.

83289 is a deficient number, since it is larger than the sum of its proper divisors (27767).

83289 is a wasteful number, since it uses less digits than its factorization.

83289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27766.

The product of its digits is 3456, while the sum is 30.

The square root of 83289 is about 288.5983367935. The cubic root of 83289 is about 43.6712761160.

The spelling of 83289 in words is "eighty-three thousand, two hundred eighty-nine".

Divisors: 1 3 27763 83289