Base | Representation |
---|---|
bin | 10111001101001… |
… | …110101101110011 |
3 | 1000010121201201102 |
4 | 113031032231303 |
5 | 1244133002430 |
6 | 102344555015 |
7 | 12435241016 |
oct | 2715165563 |
9 | 1003551642 |
10 | 389344115 |
11 | 18a857aa6 |
12 | aa482a6b |
13 | 62880344 |
14 | 399cd37d |
15 | 242ab345 |
hex | 1734eb73 |
389344115 has 16 divisors (see below), whose sum is σ = 516207168. Its totient is φ = 280406016.
The previous prime is 389344103. The next prime is 389344121. The reversal of 389344115 is 511443983.
It is a cyclic number.
It is not a de Polignac number, because 389344115 - 212 = 389340019 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97622 + ... + 101531.
It is an arithmetic number, because the mean of its divisors is an integer number (32262948).
Almost surely, 2389344115 is an apocalyptic number.
389344115 is a deficient number, since it is larger than the sum of its proper divisors (126863053).
389344115 is a wasteful number, since it uses less digits than its factorization.
389344115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199198.
The product of its digits is 51840, while the sum is 38.
The square root of 389344115 is about 19731.8046564423. The cubic root of 389344115 is about 730.2045557985.
The spelling of 389344115 in words is "three hundred eighty-nine million, three hundred forty-four thousand, one hundred fifteen".
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