Base | Representation |
---|---|
bin | 10111001110111… |
… | …010010111010001 |
3 | 1000011110010120000 |
4 | 113032322113101 |
5 | 1244241110131 |
6 | 102402240213 |
7 | 12442055352 |
oct | 2716722721 |
9 | 1004403500 |
10 | 389785041 |
11 | 1900292a8 |
12 | aa656069 |
13 | 629a5c49 |
14 | 39aa5d29 |
15 | 24346ce6 |
hex | 173ba5d1 |
389785041 has 20 divisors (see below), whose sum is σ = 601058304. Its totient is φ = 251472600.
The previous prime is 389785037. The next prime is 389785069. The reversal of 389785041 is 140587983.
It is not a de Polignac number, because 389785041 - 22 = 389785037 is a prime.
It is not an unprimeable number, because it can be changed into a prime (389785021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75105 + ... + 80126.
Almost surely, 2389785041 is an apocalyptic number.
389785041 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
389785041 is a deficient number, since it is larger than the sum of its proper divisors (211273263).
389785041 is a wasteful number, since it uses less digits than its factorization.
389785041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155274 (or 155265 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The square root of 389785041 is about 19742.9744719482. The cubic root of 389785041 is about 730.4801001456.
The spelling of 389785041 in words is "three hundred eighty-nine million, seven hundred eighty-five thousand, forty-one".
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