Base | Representation |
---|---|
bin | 10111001100111… |
… | …101001100110011 |
3 | 1000010111002022020 |
4 | 113030331030303 |
5 | 1244123203441 |
6 | 102343242523 |
7 | 12434521605 |
oct | 2714751463 |
9 | 1003432266 |
10 | 389272371 |
11 | 18a809104 |
12 | aa449443 |
13 | 628567a7 |
14 | 399b1175 |
15 | 24294e66 |
hex | 1733d333 |
389272371 has 8 divisors (see below), whose sum is σ = 519135120. Its totient is φ = 259462272.
The previous prime is 389272357. The next prime is 389272379. The reversal of 389272371 is 173272983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 389272371 - 27 = 389272243 is a prime.
It is not an unprimeable number, because it can be changed into a prime (389272379) 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 7 ways as a sum of consecutive naturals, for example, 9831 + ... + 29583.
It is an arithmetic number, because the mean of its divisors is an integer number (64891890).
Almost surely, 2389272371 is an apocalyptic number.
389272371 is a deficient number, since it is larger than the sum of its proper divisors (129862749).
389272371 is a wasteful number, since it uses less digits than its factorization.
389272371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26325.
The product of its digits is 127008, while the sum is 42.
The square root of 389272371 is about 19729.9865940147. The cubic root of 389272371 is about 730.1597017206.
The spelling of 389272371 in words is "three hundred eighty-nine million, two hundred seventy-two thousand, three hundred seventy-one".
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