Base | Representation |
---|---|
bin | 1101110011000… |
… | …0001101010111 |
3 | 11000220001112121 |
4 | 3130300031113 |
5 | 104303303033 |
6 | 5424200411 |
7 | 1301610463 |
oct | 334601527 |
9 | 130801477 |
10 | 57869143 |
11 | 2a735a42 |
12 | 17469107 |
13 | bcb20c7 |
14 | 79854a3 |
15 | 513162d |
hex | 3730357 |
57869143 has 4 divisors (see below), whose sum is σ = 57914080. Its totient is φ = 57824208.
The previous prime is 57869107. The next prime is 57869167. The reversal of 57869143 is 34196875.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 57869143 - 213 = 57860951 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 57869143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57869743) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20478 + ... + 23131.
It is an arithmetic number, because the mean of its divisors is an integer number (14478520).
Almost surely, 257869143 is an apocalyptic number.
57869143 is a deficient number, since it is larger than the sum of its proper divisors (44937).
57869143 is a wasteful number, since it uses less digits than its factorization.
57869143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44936.
The product of its digits is 181440, while the sum is 43.
The square root of 57869143 is about 7607.1770716870. The cubic root of 57869143 is about 386.7963349131.
The spelling of 57869143 in words is "fifty-seven million, eight hundred sixty-nine thousand, one hundred forty-three".
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