Base | Representation |
---|---|
bin | 1000001010000… |
… | …10101101101001 |
3 | 11202202122021021 |
4 | 10011002231221 |
5 | 120004240242 |
6 | 10442412441 |
7 | 1460436256 |
oct | 405025551 |
9 | 152678237 |
10 | 68430697 |
11 | 35699aa5 |
12 | 1ab01121 |
13 | 1123c44a |
14 | 913442d |
15 | 601ab67 |
hex | 4142b69 |
68430697 has 2 divisors, whose sum is σ = 68430698. Its totient is φ = 68430696.
The previous prime is 68430689. The next prime is 68430701. The reversal of 68430697 is 79603486.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 61402896 + 7027801 = 7836^2 + 2651^2 .
It is a cyclic number.
It is not a de Polignac number, because 68430697 - 23 = 68430689 is a prime.
It is a super-3 number, since 3×684306973 (a number of 24 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (68431697) 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, 34215348 + 34215349.
It is an arithmetic number, because the mean of its divisors is an integer number (34215349).
Almost surely, 268430697 is an apocalyptic number.
It is an amenable number.
68430697 is a deficient number, since it is larger than the sum of its proper divisors (1).
68430697 is an equidigital number, since it uses as much as digits as its factorization.
68430697 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 217728, while the sum is 43.
The square root of 68430697 is about 8272.2848717872. The cubic root of 68430697 is about 409.0254406375.
The spelling of 68430697 in words is "sixty-eight million, four hundred thirty thousand, six hundred ninety-seven".
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