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39389 = 717331
BaseRepresentation
bin1001100111011101
32000000212
421213131
52230024
6502205
7222560
oct114735
960025
1039389
1127659
121a965
1314c0c
14104d7
15ba0e
hex99dd

39389 has 8 divisors (see below), whose sum is σ = 47808. Its totient is φ = 31680.

The previous prime is 39383. The next prime is 39397. The reversal of 39389 is 98393.

39389 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39389 - 24 = 39373 is a prime.

It is a super-3 number, since 3×393893 = 183335311262607, which contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47 + ... + 284.

It is an arithmetic number, because the mean of its divisors is an integer number (5976).

239389 is an apocalyptic number.

It is an amenable number.

39389 is a deficient number, since it is larger than the sum of its proper divisors (8419).

39389 is a wasteful number, since it uses less digits than its factorization.

39389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its digits is 5832, while the sum is 32.

The square root of 39389 is about 198.4666218788. The cubic root of 39389 is about 34.0244921566.

The spelling of 39389 in words is "thirty-nine thousand, three hundred eighty-nine".

Divisors: 1 7 17 119 331 2317 5627 39389