Base | Representation |
---|---|
bin | 1010110011001010100101 |
3 | 12022211102100 |
4 | 22303022211 |
5 | 1211043023 |
6 | 140402313 |
7 | 33030453 |
oct | 12631245 |
9 | 5284370 |
10 | 2831013 |
11 | 1663a89 |
12 | b46399 |
13 | 781773 |
14 | 5399d3 |
15 | 3adc43 |
hex | 2b32a5 |
2831013 has 24 divisors (see below), whose sum is σ = 4309760. Its totient is φ = 1788480.
The previous prime is 2831011. The next prime is 2831039. The reversal of 2831013 is 3101382.
2831013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2831013 - 21 = 2831011 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 (2831011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20298 + ... + 20436.
22831013 is an apocalyptic number.
It is an amenable number.
2831013 is a deficient number, since it is larger than the sum of its proper divisors (1478747).
2831013 is a wasteful number, since it uses less digits than its factorization.
2831013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249 (or 246 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 2831013 is about 1682.5614401858. The cubic root of 2831013 is about 141.4644410309.
Adding to 2831013 its reverse (3101382), we get a palindrome (5932395).
It can be divided in two parts, 283 and 1013, that added together give a 4-th power (1296 = 64).
The spelling of 2831013 in words is "two million, eight hundred thirty-one thousand, thirteen".
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