Base | Representation |
---|---|
bin | 1000001100011… |
… | …10100101000011 |
3 | 11210100102112101 |
4 | 10012032211003 |
5 | 120044211233 |
6 | 10453211231 |
7 | 1463202241 |
oct | 406164503 |
9 | 153312471 |
10 | 68741443 |
11 | 35891511 |
12 | 1b030b17 |
13 | 1131aa14 |
14 | 91b5791 |
15 | 607cc7d |
hex | 418e943 |
68741443 has 2 divisors, whose sum is σ = 68741444. Its totient is φ = 68741442.
The previous prime is 68741383. The next prime is 68741467. The reversal of 68741443 is 34414786.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68741443 - 213 = 68733251 is a prime.
It is not a weakly prime, because it can be changed into another prime (68741243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34370721 + 34370722.
It is an arithmetic number, because the mean of its divisors is an integer number (34370722).
Almost surely, 268741443 is an apocalyptic number.
68741443 is a deficient number, since it is larger than the sum of its proper divisors (1).
68741443 is an equidigital number, since it uses as much as digits as its factorization.
68741443 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 64512, while the sum is 37.
The square root of 68741443 is about 8291.0459533161. The cubic root of 68741443 is about 409.6436383961.
The spelling of 68741443 in words is "sixty-eight million, seven hundred forty-one thousand, four hundred forty-three".
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