Base | Representation |
---|---|
bin | 1011000010100000111111 |
3 | 12110000200000 |
4 | 23002200333 |
5 | 1220101022 |
6 | 142005343 |
7 | 33411663 |
oct | 13024077 |
9 | 5400600 |
10 | 2893887 |
11 | 16a7247 |
12 | b76853 |
13 | 7a4279 |
14 | 5548a3 |
15 | 3c26ac |
hex | 2c283f |
2893887 has 12 divisors (see below), whose sum is σ = 4335240. Its totient is φ = 1929096.
The previous prime is 2893879. The next prime is 2893897. The reversal of 2893887 is 7883982.
2893887 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 2893887 - 23 = 2893879 is a prime.
2893887 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2893867) 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 11 ways as a sum of consecutive naturals, for example, 5712 + ... + 6197.
It is an arithmetic number, because the mean of its divisors is an integer number (361270).
22893887 is an apocalyptic number.
2893887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
2893887 is a deficient number, since it is larger than the sum of its proper divisors (1441353).
2893887 is an equidigital number, since it uses as much as digits as its factorization.
2893887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11924 (or 11912 counting only the distinct ones).
The product of its digits is 193536, while the sum is 45.
The square root of 2893887 is about 1701.1428511445. The cubic root of 2893887 is about 142.5040442066.
The spelling of 2893887 in words is "two million, eight hundred ninety-three thousand, eight hundred eighty-seven".
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