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68692 = 22131321
BaseRepresentation
bin10000110001010100
310111020011
4100301110
54144232
61250004
7404161
oct206124
9114204
1068692
1147678
1233904
1325360
141b068
1515547
hex10c54

68692 has 12 divisors (see below), whose sum is σ = 129556. Its totient is φ = 31680.

The previous prime is 68687. The next prime is 68699. The reversal of 68692 is 29686.

It can be written as a sum of positive squares in 2 ways, for example, as 38416 + 30276 = 196^2 + 174^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68699) 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, 609 + ... + 712.

268692 is an apocalyptic number.

It is an amenable number.

68692 is a deficient number, since it is larger than the sum of its proper divisors (60864).

68692 is a wasteful number, since it uses less digits than its factorization.

68692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1336 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 68692 is about 262.0915870454. The cubic root of 68692 is about 40.9545401353.

The spelling of 68692 in words is "sixty-eight thousand, six hundred ninety-two".

Divisors: 1 2 4 13 26 52 1321 2642 5284 17173 34346 68692