Base | Representation |
---|---|
bin | 1000001011011110001111 |
3 | 11000221012201 |
4 | 20023132033 |
5 | 1022103033 |
6 | 113542331 |
7 | 24140101 |
oct | 10133617 |
9 | 4027181 |
10 | 2144143 |
11 | 1234a21 |
12 | 8749a7 |
13 | 5a0c31 |
14 | 3db571 |
15 | 2c547d |
hex | 20b78f |
2144143 has 2 divisors, whose sum is σ = 2144144. Its totient is φ = 2144142.
The previous prime is 2144137. The next prime is 2144161. The reversal of 2144143 is 3414412.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2144143 - 213 = 2135951 is a prime.
2144143 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 2144143.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2144123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072071 + 1072072.
It is an arithmetic number, because the mean of its divisors is an integer number (1072072).
22144143 is an apocalyptic number.
2144143 is a deficient number, since it is larger than the sum of its proper divisors (1).
2144143 is an equidigital number, since it uses as much as digits as its factorization.
2144143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 384, while the sum is 19.
The square root of 2144143 is about 1464.2892473825. The cubic root of 2144143 is about 128.9489812873.
Adding to 2144143 its reverse (3414412), we get a palindrome (5558555).
The spelling of 2144143 in words is "two million, one hundred forty-four thousand, one hundred forty-three".
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