470

470 is a natural number that follows 469 and precedes 471. It is an even, composite number whose prime factorization is 2 × 5 × 47. Its divisors are 1, 2, 5, 10, 47, 94, 235, and 470. In different bases and numeral systems, 470 is represented as 111010110 in binary, 0x1D6 in hexadecimal, and CDLXX in Roman numerals.

In mathematics, 470’s factorization and divisor set place it among the even composite integers used in various arithmetic and number theory examples. Its simple factorization also makes it a convenient test value in computer algorithms and digital electronics.

In science and technology, 470 nanometers is a wavelength in the blue region of the visible spectrum, frequently cited in discussions of blue light, LEDs, and optical devices. In electronics, 470 ohms is a common resistor value; a three-band color code for this resistance is yellow (4), violet (7), brown (multiplier 10), corresponding to 470 ohms.

In telecommunications, 470 is an area code used in the North American Numbering Plan for parts of Georgia, including the Atlanta metropolitan area. Area codes like 470 are used to route telephone calls and coexist with other nearby codes in overlay regions, often requiring 10-digit dialing within the covered area.

The number 470 is also used as a roman numeral in contexts requiring CDLXX, and it appears in various model numbers, catalog entries, and numerical identifiers across different industries.