Base | Representation |
---|---|
bin | 1000001001101… |
… | …11001001001011 |
3 | 11202200020021002 |
4 | 10010313021023 |
5 | 120001231212 |
6 | 10441405215 |
7 | 1460151146 |
oct | 404671113 |
9 | 152606232 |
10 | 68383307 |
11 | 35667433 |
12 | 1aa9980b |
13 | 112239c5 |
14 | 912105d |
15 | 600bac2 |
hex | 413724b |
68383307 has 2 divisors, whose sum is σ = 68383308. Its totient is φ = 68383306.
The previous prime is 68383291. The next prime is 68383309. The reversal of 68383307 is 70338386.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68383307 - 24 = 68383291 is a prime.
Together with 68383309, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (68383309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34191653 + 34191654.
It is an arithmetic number, because the mean of its divisors is an integer number (34191654).
Almost surely, 268383307 is an apocalyptic number.
68383307 is a deficient number, since it is larger than the sum of its proper divisors (1).
68383307 is an equidigital number, since it uses as much as digits as its factorization.
68383307 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72576, while the sum is 38.
The square root of 68383307 is about 8269.4199917527. The cubic root of 68383307 is about 408.9309986557.
The spelling of 68383307 in words is "sixty-eight million, three hundred eighty-three thousand, three hundred seven".
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