Base | Representation |
---|---|
bin | 1000001000101… |
… | …01111100101111 |
3 | 11202102022202101 |
4 | 10010111330233 |
5 | 114432403333 |
6 | 10434435531 |
7 | 1456043563 |
oct | 404257457 |
9 | 152368671 |
10 | 68247343 |
11 | 3558426a |
12 | 1aa32ba7 |
13 | 111a6b58 |
14 | 90c76a3 |
15 | 5ed167d |
hex | 4115f2f |
68247343 has 2 divisors, whose sum is σ = 68247344. Its totient is φ = 68247342.
The previous prime is 68247341. The next prime is 68247359. The reversal of 68247343 is 34374286.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68247343 - 21 = 68247341 is a prime.
Together with 68247341, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68247341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34123671 + 34123672.
It is an arithmetic number, because the mean of its divisors is an integer number (34123672).
Almost surely, 268247343 is an apocalyptic number.
68247343 is a deficient number, since it is larger than the sum of its proper divisors (1).
68247343 is an equidigital number, since it uses as much as digits as its factorization.
68247343 is an evil number, because the sum of its binary digits is even.
The product of its digits is 96768, while the sum is 37.
The square root of 68247343 is about 8261.1950104086. The cubic root of 68247343 is about 408.6597980437.
The spelling of 68247343 in words is "sixty-eight million, two hundred forty-seven thousand, three hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •