Base | Representation |
---|---|
bin | 10111001011111… |
… | …110101010101101 |
3 | 1000010000001221210 |
4 | 113023332222231 |
5 | 1244042004422 |
6 | 102333545033 |
7 | 12432404061 |
oct | 2713765255 |
9 | 1003001853 |
10 | 389016237 |
11 | 18a653725 |
12 | aa345179 |
13 | 6279702c |
14 | 39945aa1 |
15 | 2424410c |
hex | 172feaad |
389016237 has 32 divisors (see below), whose sum is σ = 550540800. Its totient is φ = 243955712.
The previous prime is 389016211. The next prime is 389016239. The reversal of 389016237 is 732610983.
It is a cyclic number.
It is not a de Polignac number, because 389016237 - 27 = 389016109 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 389016195 and 389016204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389016239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101853 + ... + 1102205.
It is an arithmetic number, because the mean of its divisors is an integer number (17204400).
Almost surely, 2389016237 is an apocalyptic number.
It is an amenable number.
389016237 is a deficient number, since it is larger than the sum of its proper divisors (161524563).
389016237 is a wasteful number, since it uses less digits than its factorization.
389016237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 677.
The product of its (nonzero) digits is 54432, while the sum is 39.
The square root of 389016237 is about 19723.4945433105. The cubic root of 389016237 is about 729.9995227369. Note that the first 3 decimals are identical.
The spelling of 389016237 in words is "three hundred eighty-nine million, sixteen thousand, two hundred thirty-seven".
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