Base | Representation |
---|---|
bin | 1000001001110… |
… | …00100010010010 |
3 | 11202200112002022 |
4 | 10010320202102 |
5 | 120001422020 |
6 | 10441451442 |
7 | 1460203604 |
oct | 404704222 |
9 | 152615068 |
10 | 68389010 |
11 | 35670748 |
12 | 1aaa0b82 |
13 | 11226491 |
14 | 9123174 |
15 | 600d625 |
hex | 4138892 |
68389010 has 16 divisors (see below), whose sum is σ = 123232536. Its totient is φ = 27326208.
The previous prime is 68389001. The next prime is 68389021. The reversal of 68389010 is 1098386.
It can be written as a sum of positive squares in 4 ways, for example, as 65399569 + 2989441 = 8087^2 + 1729^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7802 + ... + 14058.
Almost surely, 268389010 is an apocalyptic number.
68389010 is a deficient number, since it is larger than the sum of its proper divisors (54843526).
68389010 is a wasteful number, since it uses less digits than its factorization.
68389010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7357.
The product of its (nonzero) digits is 10368, while the sum is 35.
The square root of 68389010 is about 8269.7648092313. The cubic root of 68389010 is about 408.9423662869.
The spelling of 68389010 in words is "sixty-eight million, three hundred eighty-nine thousand, ten".
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