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4220443212 = 223536635917
BaseRepresentation
bin1111101110001110…
…1101101001001100
3101220010111201200120
43323203231221030
532120413140322
61534442424540
7206405114106
oct37343555114
911803451616
104220443212
11187636a4a7
12999502150
135234b5a9b
142c0738576
1519a7bba5c
hexfb8eda4c

4220443212 has 24 divisors (see below), whose sum is σ = 10033508016. Its totient is φ = 1380270528.

The previous prime is 4220443187. The next prime is 4220443219. The reversal of 4220443212 is 2123440224.

It is not an unprimeable number, because it can be changed into a prime (4220443219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3317323 + ... + 3318594.

It is an arithmetic number, because the mean of its divisors is an integer number (418062834).

Almost surely, 24220443212 is an apocalyptic number.

It is an amenable number.

4220443212 is an abundant number, since it is smaller than the sum of its proper divisors (5813064804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4220443212 is a wasteful number, since it uses less digits than its factorization.

4220443212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635977 (or 6635975 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4220443212 is about 64964.9383283014. The cubic root of 4220443212 is about 1616.0421613310.

Adding to 4220443212 its reverse (2123440224), we get a palindrome (6343883436).

The spelling of 4220443212 in words is "four billion, two hundred twenty million, four hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 6635917 13271834 19907751 26543668 39815502 79631004 351703601 703407202 1055110803 1406814404 2110221606 4220443212