Base | Representation |
---|---|
bin | 1000000111000… |
… | …1111100010111 |
3 | 2101000110020100 |
4 | 2001301330113 |
5 | 32202134033 |
6 | 3213105143 |
7 | 562114002 |
oct | 201617427 |
9 | 71013210 |
10 | 34021143 |
11 | 18227652 |
12 | b4881b3 |
13 | 7082370 |
14 | 4738539 |
15 | 2ec0513 |
hex | 2071f17 |
34021143 has 24 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 20721600.
The previous prime is 34021133. The next prime is 34021151. The reversal of 34021143 is 34112043.
34021143 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 34021143 - 224 = 17243927 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34021123) 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 23 ways as a sum of consecutive naturals, for example, 10378 + ... + 13256.
It is an arithmetic number, because the mean of its divisors is an integer number (2227680).
Almost surely, 234021143 is an apocalyptic number.
34021143 is a deficient number, since it is larger than the sum of its proper divisors (19443177).
34021143 is a wasteful number, since it uses less digits than its factorization.
34021143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2999 (or 2996 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 34021143 is about 5832.7646103713. The cubic root of 34021143 is about 324.0283182839.
Adding to 34021143 its reverse (34112043), we get a palindrome (68133186).
The spelling of 34021143 in words is "thirty-four million, twenty-one thousand, one hundred forty-three".
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