Base | Representation |
---|---|
bin | 1000001001001… |
… | …00111000000110 |
3 | 11202112102121221 |
4 | 10010210320012 |
5 | 114441332421 |
6 | 10440030554 |
7 | 1456420051 |
oct | 404447006 |
9 | 152472557 |
10 | 68308486 |
11 | 356161a4 |
12 | 1aa6245a |
13 | 111c892c |
14 | 9101a98 |
15 | 5ee4841 |
hex | 4124e06 |
68308486 has 8 divisors (see below), whose sum is σ = 102531240. Its totient is φ = 34131408.
The previous prime is 68308483. The next prime is 68308517. The reversal of 68308486 is 68480386.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×683084862 = 9332098519224392, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68308483) 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, 7396 + ... + 13831.
It is an arithmetic number, because the mean of its divisors is an integer number (12816405).
Almost surely, 268308486 is an apocalyptic number.
68308486 is a deficient number, since it is larger than the sum of its proper divisors (34222754).
68308486 is a wasteful number, since it uses less digits than its factorization.
68308486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22838.
The product of its (nonzero) digits is 221184, while the sum is 43.
The square root of 68308486 is about 8264.8947966686. The cubic root of 68308486 is about 408.7818014642.
The spelling of 68308486 in words is "sixty-eight million, three hundred eight thousand, four hundred eighty-six".
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