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68535 = 3251523
BaseRepresentation
bin10000101110110111
310111000100
4100232313
54143120
61245143
7403545
oct205667
9114010
1068535
1147545
12337b3
132526c
141ad95
1515490
hex10bb7

68535 has 12 divisors (see below), whose sum is σ = 118872. Its totient is φ = 36528.

The previous prime is 68531. The next prime is 68539. The reversal of 68535 is 53586.

It is an interprime number because it is at equal distance from previous prime (68531) and next prime (68539).

It is not a de Polignac number, because 68535 - 22 = 68531 is a prime.

68535 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 68499 and 68508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (9906).

268535 is an apocalyptic number.

68535 is a deficient number, since it is larger than the sum of its proper divisors (50337).

68535 is a wasteful number, since it uses less digits than its factorization.

68535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1531 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 68535 is about 261.7919020902. The cubic root of 68535 is about 40.9233149191.

The spelling of 68535 in words is "sixty-eight thousand, five hundred thirty-five".

Divisors: 1 3 5 9 15 45 1523 4569 7615 13707 22845 68535