A megahertz is one million (or 106) hertz. See hertz, kilohertz (one thousand hertz), gigahertz[?] (109 hertz), terahertz[?] (1012 hertz), and petahertz[?] (1015 hertz).
... As of the 2000 census, the town had a total population of 11,767. Geography North Lindenhurst is located at 40°42'25" North, 73°23'6" West (40.706966, ...