Base | Representation |
---|---|
bin | 1101101010011… |
… | …0000001100111 |
3 | 10222211022010122 |
4 | 3122212001213 |
5 | 104132200033 |
6 | 5404112155 |
7 | 1264032362 |
oct | 332460147 |
9 | 128738118 |
10 | 57303143 |
11 | 2a389777 |
12 | 1723565b |
13 | bb445b1 |
14 | 78790d9 |
15 | 506da98 |
hex | 36a6067 |
57303143 has 8 divisors (see below), whose sum is σ = 59980128. Its totient is φ = 54641664.
The previous prime is 57303131. The next prime is 57303149. The reversal of 57303143 is 34130375.
57303143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57303143 - 26 = 57303079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57303149) 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 7 ways as a sum of consecutive naturals, for example, 4055 + ... + 11447.
It is an arithmetic number, because the mean of its divisors is an integer number (7497516).
Almost surely, 257303143 is an apocalyptic number.
57303143 is a deficient number, since it is larger than the sum of its proper divisors (2676985).
57303143 is a wasteful number, since it uses less digits than its factorization.
57303143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7753.
The product of its (nonzero) digits is 3780, while the sum is 26.
The square root of 57303143 is about 7569.8839489123. The cubic root of 57303143 is about 385.5311564474.
The spelling of 57303143 in words is "fifty-seven million, three hundred three thousand, one hundred forty-three".
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