Base | Representation |
---|---|
bin | 1000001001101… |
… | …11001010111111 |
3 | 11202200020102101 |
4 | 10010313022333 |
5 | 120001232143 |
6 | 10441405531 |
7 | 1460151403 |
oct | 404671277 |
9 | 152606371 |
10 | 68383423 |
11 | 35667529 |
12 | 1aa998a7 |
13 | 11223a84 |
14 | 9121103 |
15 | 600bb4d |
hex | 41372bf |
68383423 has 2 divisors, whose sum is σ = 68383424. Its totient is φ = 68383422.
The previous prime is 68383361. The next prime is 68383453. The reversal of 68383423 is 32438386.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68383423 - 29 = 68382911 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68383453) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34191711 + 34191712.
It is an arithmetic number, because the mean of its divisors is an integer number (34191712).
Almost surely, 268383423 is an apocalyptic number.
68383423 is a deficient number, since it is larger than the sum of its proper divisors (1).
68383423 is an equidigital number, since it uses as much as digits as its factorization.
68383423 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 82944, while the sum is 37.
The square root of 68383423 is about 8269.4270055428. The cubic root of 68383423 is about 408.9312298815.
The spelling of 68383423 in words is "sixty-eight million, three hundred eighty-three thousand, four hundred twenty-three".
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