Base | Representation |
---|---|
bin | 1101100110110… |
… | …0001000100010 |
3 | 10222101020212020 |
4 | 3121230020202 |
5 | 104102103033 |
6 | 5355042310 |
7 | 1262024142 |
oct | 331541042 |
9 | 128336766 |
10 | 57066018 |
11 | 2a2375a9 |
12 | 17140396 |
13 | ba90699 |
14 | 7816922 |
15 | 50236b3 |
hex | 366c222 |
57066018 has 8 divisors (see below), whose sum is σ = 114132048. Its totient is φ = 19022004.
The previous prime is 57066011. The next prime is 57066029. The reversal of 57066018 is 81066075.
It is a sphenic number, since it is the product of 3 distinct primes.
57066018 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 57066018.
It is not an unprimeable number, because it can be changed into a prime (57066011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4755496 + ... + 4755507.
It is an arithmetic number, because the mean of its divisors is an integer number (14266506).
Almost surely, 257066018 is an apocalyptic number.
57066018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57066018 is a wasteful number, since it uses less digits than its factorization.
57066018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9511008.
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 57066018 is about 7554.2053188936. The cubic root of 57066018 is about 384.9986349533.
The spelling of 57066018 in words is "fifty-seven million, sixty-six thousand, eighteen".
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