Base | Representation |
---|---|
bin | 1011111000001010011 |
3 | 201202212221 |
4 | 1133001103 |
5 | 44423303 |
6 | 12201511 |
7 | 3210463 |
oct | 1370123 |
9 | 652787 |
10 | 389203 |
11 | 246461 |
12 | 169297 |
13 | 1081c9 |
14 | a1ba3 |
15 | 7a4bd |
hex | 5f053 |
389203 has 8 divisors (see below), whose sum is σ = 408272. Its totient is φ = 370656.
The previous prime is 389189. The next prime is 389219. The reversal of 389203 is 302983.
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 389203 - 25 = 389171 is a prime.
It is a Duffinian number.
389203 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (389273) 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, 2401 + ... + 2557.
It is an arithmetic number, because the mean of its divisors is an integer number (51034).
2389203 is an apocalyptic number.
389203 is a deficient number, since it is larger than the sum of its proper divisors (19069).
389203 is a wasteful number, since it uses less digits than its factorization.
389203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 389203 is about 623.8613628043. The cubic root of 389203 is about 73.0116325992.
The spelling of 389203 in words is "three hundred eighty-nine thousand, two hundred three".
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