Base | Representation |
---|---|
bin | 1101100110001… |
… | …0110011100100 |
3 | 10222022022110012 |
4 | 3121202303210 |
5 | 104044342222 |
6 | 5354145352 |
7 | 1261504562 |
oct | 331426344 |
9 | 128268405 |
10 | 57027812 |
11 | 2a210926 |
12 | 17122258 |
13 | ba7918a |
14 | 7806a32 |
15 | 50171e2 |
hex | 3662ce4 |
57027812 has 6 divisors (see below), whose sum is σ = 99798678. Its totient is φ = 28513904.
The previous prime is 57027811. The next prime is 57027821. The reversal of 57027812 is 21872075.
57027812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 34975396 + 22052416 = 5914^2 + 4696^2 .
It is not an unprimeable number, because it can be changed into a prime (57027811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7128473 + ... + 7128480.
It is an arithmetic number, because the mean of its divisors is an integer number (16633113).
Almost surely, 257027812 is an apocalyptic number.
It is an amenable number.
57027812 is a deficient number, since it is larger than the sum of its proper divisors (42770866).
57027812 is a wasteful number, since it uses less digits than its factorization.
57027812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14256957 (or 14256955 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 32.
The square root of 57027812 is about 7551.6761053424. The cubic root of 57027812 is about 384.9126962328.
Adding to 57027812 its reverse (21872075), we get a palindrome (78899887).
It can be divided in two parts, 570 and 27812, that added together give a palindrome (28382).
The spelling of 57027812 in words is "fifty-seven million, twenty-seven thousand, eight hundred twelve".
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