Trouble converting character to numeric in R

I've pulled a table from Wikipedia, but I'm getting a bunch of junk with the population numbers I'm looking for. For instance, I get **"!B9840748934017Â 8,244,910"** when the actual number I'm after is 8,244,910 only. I've cleaned up the character vector with regex, using `sub('![[:alnum:]]*[[:space:]]', '', x)` This works fine, leaving me with the character vector "8,244,910". When I try to convert it to numeric using `as.numeric`, however, it gets coerced to NA, and I'm unable to get an integer, no matter what conversions I try. Any thoughts?
Strip out the commas too, before converting to numeric.

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