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38685 = 352579
BaseRepresentation
bin1001011100011101
31222001210
421130131
52214220
6455033
7220533
oct113435
958053
1038685
1127079
121a479
13147ba
1410153
15b6e0
hex971d

38685 has 8 divisors (see below), whose sum is σ = 61920. Its totient is φ = 20624.

The previous prime is 38677. The next prime is 38693. The reversal of 38685 is 58683.

It is an interprime number because it is at equal distance from previous prime (38677) and next prime (38693).

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 38685 - 23 = 38677 is a prime.

38685 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (7740).

238685 is an apocalyptic number.

It is an amenable number.

38685 is a deficient number, since it is larger than the sum of its proper divisors (23235).

38685 is a wasteful number, since it uses less digits than its factorization.

38685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587.

The product of its digits is 5760, while the sum is 30.

The square root of 38685 is about 196.6850273915. The cubic root of 38685 is about 33.8205656620.

The spelling of 38685 in words is "thirty-eight thousand, six hundred eighty-five".

Divisors: 1 3 5 15 2579 7737 12895 38685