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68392 = 2383103
BaseRepresentation
bin10000101100101000
310110211001
4100230220
54142032
61244344
7403252
oct205450
9113731
1068392
1147425
12336b4
132518c
141acd2
15153e7
hex10b28

68392 has 16 divisors (see below), whose sum is σ = 131040. Its totient is φ = 33456.

The previous prime is 68389. The next prime is 68399. The reversal of 68392 is 29386.

It is a self number, because there is not a number n which added to its sum of digits gives 68392.

It is not an unprimeable number, because it can be changed into a prime (68399) 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, 613 + ... + 715.

It is an arithmetic number, because the mean of its divisors is an integer number (8190).

268392 is an apocalyptic number.

It is an amenable number.

68392 is a deficient number, since it is larger than the sum of its proper divisors (62648).

68392 is a wasteful number, since it uses less digits than its factorization.

68392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 188 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 68392 is about 261.5186417830. The cubic root of 68392 is about 40.8948325918.

The spelling of 68392 in words is "sixty-eight thousand, three hundred ninety-two".

Divisors: 1 2 4 8 83 103 166 206 332 412 664 824 8549 17098 34196 68392