Base | Representation |
---|---|
bin | 10111001101001… |
… | …111101010110111 |
3 | 1000010121221002011 |
4 | 113031033222313 |
5 | 1244133114043 |
6 | 102345025051 |
7 | 12435255301 |
oct | 2715175267 |
9 | 1003557064 |
10 | 389348023 |
11 | 18a85aa29 |
12 | aa485187 |
13 | 6288205c |
14 | 399d0971 |
15 | 242ac59d |
hex | 1734fab7 |
389348023 has 2 divisors, whose sum is σ = 389348024. Its totient is φ = 389348022.
The previous prime is 389347999. The next prime is 389348027. The reversal of 389348023 is 320843983.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-389348023 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (389348027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194674011 + 194674012.
It is an arithmetic number, because the mean of its divisors is an integer number (194674012).
Almost surely, 2389348023 is an apocalyptic number.
389348023 is a deficient number, since it is larger than the sum of its proper divisors (1).
389348023 is an equidigital number, since it uses as much as digits as its factorization.
389348023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 124416, while the sum is 40.
The square root of 389348023 is about 19731.9036841355. The cubic root of 389348023 is about 730.2069989071.
The spelling of 389348023 in words is "three hundred eighty-nine million, three hundred forty-eight thousand, twenty-three".
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