Base | Representation |
---|---|
bin | 10111001100111… |
… | …111111110111001 |
3 | 1000010111122221101 |
4 | 113030333332321 |
5 | 1244124040034 |
6 | 102343411401 |
7 | 12434600050 |
oct | 2714777671 |
9 | 1003448841 |
10 | 389283769 |
11 | 18a816726 |
12 | aa453b61 |
13 | 6285ba34 |
14 | 399b5397 |
15 | 24298514 |
hex | 1733ffb9 |
389283769 has 8 divisors (see below), whose sum is σ = 445503680. Its totient is φ = 333215856.
The previous prime is 389283767. The next prime is 389283793. The reversal of 389283769 is 967382983.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 389283769 - 21 = 389283767 is a prime.
It is a super-2 number, since 2×3892837692 = 303083705613690722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (389283767) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32454 + ... + 42799.
It is an arithmetic number, because the mean of its divisors is an integer number (55687960).
Almost surely, 2389283769 is an apocalyptic number.
It is an amenable number.
389283769 is a deficient number, since it is larger than the sum of its proper divisors (56219911).
389283769 is an equidigital number, since it uses as much as digits as its factorization.
389283769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75999.
The product of its digits is 3919104, while the sum is 55.
The square root of 389283769 is about 19730.2754415644. The cubic root of 389283769 is about 730.1668280754.
The spelling of 389283769 in words is "three hundred eighty-nine million, two hundred eighty-three thousand, seven hundred sixty-nine".
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