Base | Representation |
---|---|
bin | 1000001010100… |
… | …00000011010000 |
3 | 11202212102012122 |
4 | 10011100003100 |
5 | 120013012303 |
6 | 10443513412 |
7 | 1461054452 |
oct | 405200320 |
9 | 152772178 |
10 | 68485328 |
11 | 3572704a |
12 | 1ab28868 |
13 | 1125b282 |
14 | 914a2d2 |
15 | 602be38 |
hex | 41500d0 |
68485328 has 20 divisors (see below), whose sum is σ = 135195588. Its totient is φ = 33596160.
The previous prime is 68485321. The next prime is 68485363. The reversal of 68485328 is 82358486.
It can be written as a sum of positive squares in 2 ways, for example, as 32581264 + 35904064 = 5708^2 + 5992^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68485321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39533 + ... + 41228.
Almost surely, 268485328 is an apocalyptic number.
It is an amenable number.
68485328 is a deficient number, since it is larger than the sum of its proper divisors (66710260).
68485328 is a wasteful number, since it uses less digits than its factorization.
68485328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80822 (or 80816 counting only the distinct ones).
The product of its digits is 368640, while the sum is 44.
The square root of 68485328 is about 8275.5862632203. The cubic root of 68485328 is about 409.1342588825.
The spelling of 68485328 in words is "sixty-eight million, four hundred eighty-five thousand, three hundred twenty-eight".
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