Base | Representation |
---|---|
bin | 10111001110111… |
… | …110011011011111 |
3 | 1000011110222101211 |
4 | 113032332123133 |
5 | 1244242123240 |
6 | 102402445251 |
7 | 12442155043 |
oct | 2716763337 |
9 | 1004428354 |
10 | 389801695 |
11 | 19003a868 |
12 | aa663827 |
13 | 629b06ba |
14 | 39aac023 |
15 | 2434bbea |
hex | 173be6df |
389801695 has 4 divisors (see below), whose sum is σ = 467762040. Its totient is φ = 311841352.
The previous prime is 389801693. The next prime is 389801759. The reversal of 389801695 is 596108983.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 389801695 - 21 = 389801693 is a prime.
It is a super-2 number, since 2×3898016952 = 303890722849746050, which contains 22 as substring.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389801693) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38980165 + ... + 38980174.
It is an arithmetic number, because the mean of its divisors is an integer number (116940510).
Almost surely, 2389801695 is an apocalyptic number.
389801695 is a deficient number, since it is larger than the sum of its proper divisors (77960345).
389801695 is an equidigital number, since it uses as much as digits as its factorization.
389801695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77960344.
The product of its (nonzero) digits is 466560, while the sum is 49.
The square root of 389801695 is about 19743.3962377297. The cubic root of 389801695 is about 730.4905035227.
The spelling of 389801695 in words is "three hundred eighty-nine million, eight hundred one thousand, six hundred ninety-five".
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