Base | Representation |
---|---|
bin | 1111011100010100001111 |
3 | 21121200000020 |
4 | 33130110033 |
5 | 2014020033 |
6 | 222433223 |
7 | 46260111 |
oct | 17342417 |
9 | 7550006 |
10 | 4048143 |
11 | 2315480 |
12 | 1432813 |
13 | ab9768 |
14 | 7753b1 |
15 | 54e6b3 |
hex | 3dc50f |
4048143 has 16 divisors (see below), whose sum is σ = 5987712. Its totient is φ = 2412000.
The previous prime is 4048129. The next prime is 4048171. The reversal of 4048143 is 3418404.
It is a Cunningham number, because it is equal to 20122-1.
It is not a de Polignac number, because 4048143 - 25 = 4048111 is a prime.
It is a D-number.
4048143 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4048103) 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 15 ways as a sum of consecutive naturals, for example, 1008 + ... + 3018.
It is an arithmetic number, because the mean of its divisors is an integer number (374232).
Almost surely, 24048143 is an apocalyptic number.
4048143 is a deficient number, since it is larger than the sum of its proper divisors (1939569).
4048143 is a wasteful number, since it uses less digits than its factorization.
4048143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2086.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 4048143 is about 2011.9997514910. Note that the first 3 decimals coincide. The cubic root of 4048143 is about 159.3744192213.
The spelling of 4048143 in words is "four million, forty-eight thousand, one hundred forty-three".
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