Base | Representation |
---|---|
bin | 1101100111111… |
… | …0111110100100 |
3 | 10222112011201222 |
4 | 3121332332210 |
5 | 104112040304 |
6 | 5400435512 |
7 | 1262465156 |
oct | 331767644 |
9 | 128464658 |
10 | 57143204 |
11 | 2a28a598 |
12 | 17178b98 |
13 | bab9861 |
14 | 7836ad6 |
15 | 503b4be |
hex | 367efa4 |
57143204 has 12 divisors (see below), whose sum is σ = 100343964. Its totient is φ = 28473504.
The previous prime is 57143183. The next prime is 57143209. The reversal of 57143204 is 40234175.
It can be written as a sum of positive squares in 2 ways, for example, as 34199104 + 22944100 = 5848^2 + 4790^2 .
It is not an unprimeable number, because it can be changed into a prime (57143209) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 23207 + ... + 25550.
It is an arithmetic number, because the mean of its divisors is an integer number (8361997).
Almost surely, 257143204 is an apocalyptic number.
It is an amenable number.
57143204 is a deficient number, since it is larger than the sum of its proper divisors (43200760).
57143204 is a wasteful number, since it uses less digits than its factorization.
57143204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49054 (or 49052 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 26.
The square root of 57143204 is about 7559.3124025932. The cubic root of 57143204 is about 385.1721364393.
Adding to 57143204 its reverse (40234175), we get a palindrome (97377379).
The spelling of 57143204 in words is "fifty-seven million, one hundred forty-three thousand, two hundred four".
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