Base | Representation |
---|---|
bin | 1000000011110101110101 |
3 | 10222100100000 |
4 | 20003311311 |
5 | 1020103020 |
6 | 113141513 |
7 | 23650005 |
oct | 10036565 |
9 | 3870300 |
10 | 2112885 |
11 | 1213495 |
12 | 85a899 |
13 | 58c938 |
14 | 3d0005 |
15 | 2bb090 |
hex | 203d75 |
2112885 has 48 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 1073088.
The previous prime is 2112871. The next prime is 2112893. The reversal of 2112885 is 5882112.
2112885 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 2112885 - 26 = 2112821 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 44932 + ... + 44978.
It is an arithmetic number, because the mean of its divisors is an integer number (82992).
22112885 is an apocalyptic number.
It is an amenable number.
2112885 is a deficient number, since it is larger than the sum of its proper divisors (1870731).
2112885 is an equidigital number, since it uses as much as digits as its factorization.
2112885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104 (or 92 counting only the distinct ones).
The product of its digits is 1280, while the sum is 27.
The square root of 2112885 is about 1453.5766233673. The cubic root of 2112885 is about 128.3192915804.
Adding to 2112885 its reverse (5882112), we get a palindrome (7994997).
The spelling of 2112885 in words is "two million, one hundred twelve thousand, eight hundred eighty-five".
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