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68568 = 2332857
BaseRepresentation
bin10000101111011000
310111001120
4100233120
54143233
61245240
7403623
oct205730
9114046
1068568
1147575
1233820
1325296
15154b3
hex10bd8

68568 has 16 divisors (see below), whose sum is σ = 171480. Its totient is φ = 22848.

The previous prime is 68567. The next prime is 68581. The reversal of 68568 is 86586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68567) 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, 1405 + ... + 1452.

268568 is an apocalyptic number.

It is an amenable number.

68568 is an abundant number, since it is smaller than the sum of its proper divisors (102912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85740).

68568 is a wasteful number, since it uses less digits than its factorization.

68568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2862 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 68568 is about 261.8549216647. The cubic root of 68568 is about 40.9298821363.

It can be divided in two parts, 68 and 568, that added together give a palindrome (636).

The spelling of 68568 in words is "sixty-eight thousand, five hundred sixty-eight".