Base | Representation |
---|---|
bin | 1011111001011010001 |
3 | 201210202120 |
4 | 1133023101 |
5 | 44433331 |
6 | 12204453 |
7 | 3212364 |
oct | 1371321 |
9 | 653676 |
10 | 389841 |
11 | 246991 |
12 | 169729 |
13 | 10859a |
14 | a20db |
15 | 7a796 |
hex | 5f2d1 |
389841 has 8 divisors (see below), whose sum is σ = 523200. Its totient is φ = 258192.
The previous prime is 389839. The next prime is 389849. The reversal of 389841 is 148983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 389841 - 21 = 389839 is a prime.
It is a nialpdrome in base 5.
It is not an unprimeable number, because it can be changed into a prime (389849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271 + ... + 923.
It is an arithmetic number, because the mean of its divisors is an integer number (65400).
2389841 is an apocalyptic number.
It is an amenable number.
389841 is a deficient number, since it is larger than the sum of its proper divisors (133359).
389841 is a wasteful number, since it uses less digits than its factorization.
389841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 855.
The product of its digits is 6912, while the sum is 33.
The square root of 389841 is about 624.3724849799. The cubic root of 389841 is about 73.0515055292.
The spelling of 389841 in words is "three hundred eighty-nine thousand, eight hundred forty-one".
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