Base | Representation |
---|---|
bin | 1000001001100… |
… | …00010011100000 |
3 | 11202121210211122 |
4 | 10010300103200 |
5 | 114444332141 |
6 | 10441031412 |
7 | 1460003402 |
oct | 404602340 |
9 | 152553748 |
10 | 68355296 |
11 | 35648389 |
12 | 1aa85568 |
13 | 11214029 |
14 | 9114b72 |
15 | 600364b |
hex | 41304e0 |
68355296 has 36 divisors (see below), whose sum is σ = 137640888. Its totient is φ = 33415872.
The previous prime is 68355281. The next prime is 68355299. The reversal of 68355296 is 69255386.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68355299) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70205 + ... + 71171.
It is an arithmetic number, because the mean of its divisors is an integer number (3823358).
Almost surely, 268355296 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68355296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68820444).
68355296 is an abundant number, since it is smaller than the sum of its proper divisors (69285592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68355296 is an equidigital number, since it uses as much as digits as its factorization.
68355296 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1071 (or 1016 counting only the distinct ones).
The product of its digits is 388800, while the sum is 44.
The square root of 68355296 is about 8267.7261686633. The cubic root of 68355296 is about 408.8751559310.
The spelling of 68355296 in words is "sixty-eight million, three hundred fifty-five thousand, two hundred ninety-six".
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