Base | Representation |
---|---|
bin | 1011000010101000110101 |
3 | 12110001100121 |
4 | 23002220311 |
5 | 1220110024 |
6 | 142011541 |
7 | 33413311 |
oct | 13025065 |
9 | 5401317 |
10 | 2894389 |
11 | 16a7663 |
12 | b76bb1 |
13 | 7a4574 |
14 | 554b41 |
15 | 3c28e4 |
hex | 2c2a35 |
2894389 has 8 divisors (see below), whose sum is σ = 3071232. Its totient is φ = 2721840.
The previous prime is 2894387. The next prime is 2894407. The reversal of 2894389 is 9834982.
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 2894389 - 21 = 2894387 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 (2894387) 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, 372 + ... + 2434.
It is an arithmetic number, because the mean of its divisors is an integer number (383904).
22894389 is an apocalyptic number.
It is an amenable number.
2894389 is a deficient number, since it is larger than the sum of its proper divisors (176843).
2894389 is a wasteful number, since it uses less digits than its factorization.
2894389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2147.
The product of its digits is 124416, while the sum is 43.
The square root of 2894389 is about 1701.2903926138. The cubic root of 2894389 is about 142.5122837467.
The spelling of 2894389 in words is "two million, eight hundred ninety-four thousand, three hundred eighty-nine".
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