I have int 136970250 (1000 0010 1010 0000 0000 0000 1010) -> I need to remove all odd bits(1, 3, 5, 7...)

1000 0010 1010 0000 0000 0000 1010 -> 10 0111 0000 0011 (9987) - because this bits do not have information.

How to do it?