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BaseRepresentation
bin10000101011011011
310110201012
4100223123
54141230
61244135
7403112
oct205333
9113635
1068315
1147365
123364b
1325130
141ac79
1515395

68315 has 8 divisors (see below), whose sum is σ = 88368. Its totient is φ = 50400.

The previous prime is 68311. The next prime is 68329. The reversal of 68315 is 51386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68315 - 22 = 68311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461 + ... + 590.

It is an arithmetic number, because the mean of its divisors is an integer number (11046).

268315 is an apocalyptic number.

68315 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68315 is a deficient number, since it is larger than the sum of its proper divisors (20053).

68315 is a wasteful number, since it uses less digits than its factorization.

68315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069.

The product of its digits is 720, while the sum is 23.

The square root of 68315 is about 261.3713832844. The cubic root of 68315 is about 40.8794795067.

It can be divided in two parts, 68 and 315, that added together give a palindrome (383).

The spelling of 68315 in words is "sixty-eight thousand, three hundred fifteen".

Divisors: 1 5 13 65 1051 5255 13663 68315