Base | Representation |
---|---|
bin | 1001000111010011110111 |
3 | 11111101102100 |
4 | 21013103313 |
5 | 1102423424 |
6 | 123113143 |
7 | 26210466 |
oct | 11072367 |
9 | 4441370 |
10 | 2389239 |
11 | 1392086 |
12 | 9727b3 |
13 | 658668 |
14 | 4629dd |
15 | 322dc9 |
hex | 2474f7 |
2389239 has 6 divisors (see below), whose sum is σ = 3451136. Its totient is φ = 1592820.
The previous prime is 2389213. The next prime is 2389241. The reversal of 2389239 is 9329832.
It is not a de Polignac number, because 2389239 - 28 = 2388983 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2389249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132727 + ... + 132744.
22389239 is an apocalyptic number.
2389239 is a deficient number, since it is larger than the sum of its proper divisors (1061897).
2389239 is a wasteful number, since it uses less digits than its factorization.
2389239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265477 (or 265474 counting only the distinct ones).
The product of its digits is 23328, while the sum is 36.
The square root of 2389239 is about 1545.7163387892. The cubic root of 2389239 is about 133.6861855301.
It can be divided in two parts, 2389 and 239, that added together give a triangular number (2628 = T72).
The spelling of 2389239 in words is "two million, three hundred eighty-nine thousand, two hundred thirty-nine".
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