Base | Representation |
---|---|
bin | 10111001100000… |
… | …101101111100111 |
3 | 1000010001112201100 |
4 | 113030011233213 |
5 | 1244043421343 |
6 | 102334331143 |
7 | 12432554430 |
oct | 2714055747 |
9 | 1003045640 |
10 | 389045223 |
11 | 18a673486 |
12 | aa359ab3 |
13 | 627a7298 |
14 | 39952487 |
15 | 2424c9d3 |
hex | 17305be7 |
389045223 has 24 divisors (see below), whose sum is σ = 645840000. Its totient is φ = 221063184.
The previous prime is 389045213. The next prime is 389045227. The reversal of 389045223 is 322540983.
It is not a de Polignac number, because 389045223 - 25 = 389045191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389045227) 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 23 ways as a sum of consecutive naturals, for example, 5973 + ... + 28526.
It is an arithmetic number, because the mean of its divisors is an integer number (26910000).
Almost surely, 2389045223 is an apocalyptic number.
389045223 is a deficient number, since it is larger than the sum of its proper divisors (256794777).
389045223 is a wasteful number, since it uses less digits than its factorization.
389045223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34691 (or 34688 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 389045223 is about 19724.2293385572. The cubic root of 389045223 is about 730.0176532917.
The spelling of 389045223 in words is "three hundred eighty-nine million, forty-five thousand, two hundred twenty-three".
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