Base | Representation |
---|---|
bin | 1001010001101… |
… | …0101101011001 |
3 | 2201012122222101 |
4 | 2110122231121 |
5 | 34430003323 |
6 | 3505523401 |
7 | 651462436 |
oct | 224325531 |
9 | 81178871 |
10 | 38906713 |
11 | 1aa6420a |
12 | 11043561 |
13 | 80a3031 |
14 | 524ab8d |
15 | 3637dad |
hex | 251ab59 |
38906713 has 2 divisors, whose sum is σ = 38906714. Its totient is φ = 38906712.
The previous prime is 38906711. The next prime is 38906723. The reversal of 38906713 is 31760983.
38906713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 37797904 + 1108809 = 6148^2 + 1053^2 .
It is a cyclic number.
It is not a de Polignac number, because 38906713 - 21 = 38906711 is a prime.
Together with 38906711, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (38906711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19453356 + 19453357.
It is an arithmetic number, because the mean of its divisors is an integer number (19453357).
Almost surely, 238906713 is an apocalyptic number.
It is an amenable number.
38906713 is a deficient number, since it is larger than the sum of its proper divisors (1).
38906713 is an equidigital number, since it uses as much as digits as its factorization.
38906713 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 38906713 is about 6237.5245891299. The cubic root of 38906713 is about 338.8505387321.
The spelling of 38906713 in words is "thirty-eight million, nine hundred six thousand, seven hundred thirteen".
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