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39387 = 319691
BaseRepresentation
bin1001100111011011
32000000210
421213123
52230022
6502203
7222555
oct114733
960023
1039387
1127657
121a963
1314c0a
14104d5
15ba0c
hex99db

39387 has 8 divisors (see below), whose sum is σ = 55360. Its totient is φ = 24840.

The previous prime is 39383. The next prime is 39397. The reversal of 39387 is 78393.

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

It is not a de Polignac number, because 39387 - 22 = 39383 is a prime.

It is a Duffinian number.

39387 is a lucky number.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

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, 289 + ... + 402.

It is an arithmetic number, because the mean of its divisors is an integer number (6920).

239387 is an apocalyptic number.

39387 is a deficient number, since it is larger than the sum of its proper divisors (15973).

39387 is a wasteful number, since it uses less digits than its factorization.

39387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its digits is 4536, while the sum is 30.

The square root of 39387 is about 198.4615831843. The cubic root of 39387 is about 34.0239162755.

It can be divided in two parts, 393 and 87, that multiplied together give a triangular number (34191 = T261).

The spelling of 39387 in words is "thirty-nine thousand, three hundred eighty-seven".

Divisors: 1 3 19 57 691 2073 13129 39387