Base | Representation |
---|---|
bin | 1101100111111… |
… | …1100101110010 |
3 | 10222112022011221 |
4 | 3121333211302 |
5 | 104112130324 |
6 | 5400455254 |
7 | 1262505403 |
oct | 331774562 |
9 | 128468157 |
10 | 57145714 |
11 | 2a29146a |
12 | 1717a52a |
13 | babaa42 |
14 | 78379aa |
15 | 503c0e4 |
hex | 367f972 |
57145714 has 16 divisors (see below), whose sum is σ = 87557688. Its totient is φ = 27965952.
The previous prime is 57145709. The next prime is 57145729. The reversal of 57145714 is 41754175.
It can be written as a sum of positive squares in 4 ways, for example, as 54272689 + 2873025 = 7367^2 + 1695^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 57145714.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18574 + ... + 21430.
Almost surely, 257145714 is an apocalyptic number.
57145714 is a deficient number, since it is larger than the sum of its proper divisors (30411974).
57145714 is a wasteful number, since it uses less digits than its factorization.
57145714 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3069.
The product of its digits is 19600, while the sum is 34.
The square root of 57145714 is about 7559.4784211611. The cubic root of 57145714 is about 385.1777758845.
Adding to 57145714 its reverse (41754175), we get a palindrome (98899889).
The spelling of 57145714 in words is "fifty-seven million, one hundred forty-five thousand, seven hundred fourteen".
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