Base | Representation |
---|---|
bin | 10111001100010… |
… | …110001000011101 |
3 | 1000010011221210111 |
4 | 113030112020131 |
5 | 1244103043344 |
6 | 102340010021 |
7 | 12433254223 |
oct | 2714261035 |
9 | 1003157714 |
10 | 389112349 |
11 | 18a70995a |
12 | aa390911 |
13 | 627cb9c2 |
14 | 3996cb13 |
15 | 24262834 |
hex | 1731621d |
389112349 has 4 divisors (see below), whose sum is σ = 394920064. Its totient is φ = 383304636.
The previous prime is 389112331. The next prime is 389112391. The reversal of 389112349 is 943211983.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 389112349 - 219 = 388588061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389112049) 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, 2903757 + ... + 2903890.
It is an arithmetic number, because the mean of its divisors is an integer number (98730016).
Almost surely, 2389112349 is an apocalyptic number.
It is an amenable number.
389112349 is a deficient number, since it is larger than the sum of its proper divisors (5807715).
389112349 is an equidigital number, since it uses as much as digits as its factorization.
389112349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5807714.
The product of its digits is 46656, while the sum is 40.
The square root of 389112349 is about 19725.9308779079. The cubic root of 389112349 is about 730.0596367117.
The spelling of 389112349 in words is "three hundred eighty-nine million, one hundred twelve thousand, three hundred forty-nine".
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