Base | Representation |
---|---|
bin | 1001001111100… |
… | …1000011000111 |
3 | 2200221122211221 |
4 | 2103321003013 |
5 | 34411100324 |
6 | 3502541211 |
7 | 650346454 |
oct | 223710307 |
9 | 80848757 |
10 | 38768839 |
11 | 1a97a66a |
12 | 10b97807 |
13 | 8055355 |
14 | 521282b |
15 | 360c0e4 |
hex | 24f90c7 |
38768839 has 2 divisors, whose sum is σ = 38768840. Its totient is φ = 38768838.
The previous prime is 38768837. The next prime is 38768861. The reversal of 38768839 is 93886783.
It is a happy number.
38768839 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 is a cyclic number.
It is not a de Polignac number, because 38768839 - 21 = 38768837 is a prime.
Together with 38768837, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38768833) 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, 19384419 + 19384420.
It is an arithmetic number, because the mean of its divisors is an integer number (19384420).
Almost surely, 238768839 is an apocalyptic number.
38768839 is a deficient number, since it is larger than the sum of its proper divisors (1).
38768839 is an equidigital number, since it uses as much as digits as its factorization.
38768839 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1741824, while the sum is 52.
The square root of 38768839 is about 6226.4628000174. The cubic root of 38768839 is about 338.4498026274.
The spelling of 38768839 in words is "thirty-eight million, seven hundred sixty-eight thousand, eight hundred thirty-nine".
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