Base | Representation |
---|---|
bin | 1010111000111111100001 |
3 | 12101001011100 |
4 | 22320333201 |
5 | 1212324011 |
6 | 141105013 |
7 | 33160161 |
oct | 12707741 |
9 | 5331140 |
10 | 2854881 |
11 | 167aa07 |
12 | b58169 |
13 | 78c5a3 |
14 | 5445a1 |
15 | 3b5d56 |
hex | 2b8fe1 |
2854881 has 6 divisors (see below), whose sum is σ = 4123730. Its totient is φ = 1903248.
The previous prime is 2854843. The next prime is 2854889. The reversal of 2854881 is 1884582.
It can be written as a sum of positive squares in only one way, i.e., 2387025 + 467856 = 1545^2 + 684^2 .
It is not a de Polignac number, because 2854881 - 211 = 2852833 is a prime.
It is a super-2 number, since 2×28548812 = 16300691048322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2854889) 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, 158596 + ... + 158613.
22854881 is an apocalyptic number.
It is an amenable number.
2854881 is a deficient number, since it is larger than the sum of its proper divisors (1268849).
2854881 is a wasteful number, since it uses less digits than its factorization.
2854881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 317215 (or 317212 counting only the distinct ones).
The product of its digits is 20480, while the sum is 36.
The square root of 2854881 is about 1689.6393106222. The cubic root of 2854881 is about 141.8608867044.
Subtracting from 2854881 its reverse (1884582), we obtain a cube (970299 = 993).
The spelling of 2854881 in words is "two million, eight hundred fifty-four thousand, eight hundred eighty-one".
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