Base | Representation |
---|---|
bin | 1000001001000… |
… | …00001101110100 |
3 | 11202111110102220 |
4 | 10010200031310 |
5 | 114440230041 |
6 | 10435402340 |
7 | 1456310310 |
oct | 404401564 |
9 | 152443386 |
10 | 68289396 |
11 | 3560291a |
12 | 1aa533b0 |
13 | 111c0036 |
14 | 90d8b40 |
15 | 5eddd66 |
hex | 4120374 |
68289396 has 24 divisors (see below), whose sum is σ = 182105280. Its totient is φ = 19511232.
The previous prime is 68289379. The next prime is 68289407. The reversal of 68289396 is 69398286.
It is a congruent number.
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, 406401 + ... + 406568.
It is an arithmetic number, because the mean of its divisors is an integer number (7587720).
Almost surely, 268289396 is an apocalyptic number.
It is an amenable number.
68289396 is an abundant number, since it is smaller than the sum of its proper divisors (113815884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68289396 is a wasteful number, since it uses less digits than its factorization.
68289396 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 812983 (or 812981 counting only the distinct ones).
The product of its digits is 1119744, while the sum is 51.
The square root of 68289396 is about 8263.7398313354. The cubic root of 68289396 is about 408.7437175104.
The spelling of 68289396 in words is "sixty-eight million, two hundred eighty-nine thousand, three hundred ninety-six".
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