Base | Representation |
---|---|
bin | 1010111001000001001101 |
3 | 12101001022100 |
4 | 22321001031 |
5 | 1212324424 |
6 | 141105313 |
7 | 33160404 |
oct | 12710115 |
9 | 5331270 |
10 | 2854989 |
11 | 167aaa5 |
12 | b58239 |
13 | 78c657 |
14 | 54463b |
15 | 3b5dc9 |
hex | 2b904d |
2854989 has 12 divisors (see below), whose sum is σ = 4153500. Its totient is φ = 1889664.
The previous prime is 2854939. The next prime is 2854993. The reversal of 2854989 is 9894582.
2854989 is a `hidden beast` number, since 28 + 549 + 89 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 514089 + 2340900 = 717^2 + 1530^2 .
It is not a de Polignac number, because 2854989 - 213 = 2846797 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2854919) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277 + ... + 2405.
It is an arithmetic number, because the mean of its divisors is an integer number (346125).
22854989 is an apocalyptic number.
It is an amenable number.
2854989 is a deficient number, since it is larger than the sum of its proper divisors (1298511).
2854989 is a wasteful number, since it uses less digits than its factorization.
2854989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2284 (or 2281 counting only the distinct ones).
The product of its digits is 207360, while the sum is 45.
The square root of 2854989 is about 1689.6712698037. The cubic root of 2854989 is about 141.8626755452.
The spelling of 2854989 in words is "two million, eight hundred fifty-four thousand, nine hundred eighty-nine".
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