Base | Representation |
---|---|
bin | 1101100111111… |
… | …1010011011111 |
3 | 10222112020120120 |
4 | 3121333103133 |
5 | 104112111133 |
6 | 5400450023 |
7 | 1262502111 |
oct | 331772337 |
9 | 128466516 |
10 | 57144543 |
11 | 2a2905a5 |
12 | 17179913 |
13 | baba351 |
14 | 78373b1 |
15 | 503bab3 |
hex | 367f4df |
57144543 has 16 divisors (see below), whose sum is σ = 77333760. Its totient is φ = 37529856.
The previous prime is 57144517. The next prime is 57144551. The reversal of 57144543 is 34544175.
It is not a de Polignac number, because 57144543 - 25 = 57144511 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57144553) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104196 + ... + 104742.
It is an arithmetic number, because the mean of its divisors is an integer number (4833360).
Almost surely, 257144543 is an apocalyptic number.
57144543 is a deficient number, since it is larger than the sum of its proper divisors (20189217).
57144543 is a wasteful number, since it uses less digits than its factorization.
57144543 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1006.
The product of its digits is 33600, while the sum is 33.
The square root of 57144543 is about 7559.4009683308. The cubic root of 57144543 is about 385.1751449129.
The spelling of 57144543 in words is "fifty-seven million, one hundred forty-four thousand, five hundred forty-three".
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