562

562 is a natural number that follows 561 and precedes 563. In mathematics, it is an even composite integer with prime factorization 2 × 281. Its positive divisors are 1, 2, 281, and 562. It is not a prime and is not a perfect power. In various numeral systems, 562 is represented as 1000110010 in binary and as 0x232 in hexadecimal; the Roman numeral representation is DLXII. The sum of its decimal digits is 13.

As a calendar year, 562 CE falls in the sixth century during the reign of the Byzantine emperor Justinian I; it lies within a period of ongoing Byzantine administration and conflict in the eastern Mediterranean. The year 562 BCE is a year in the ancient era before the classical period of Greece, and specific events from that year are not universally summarized in concise historical records.

In telecommunications, 562 is an area code in the North American Numbering Plan for parts of southern California, including Long Beach and surrounding areas. It is used to route telephone calls within that region and is often paired with other area codes in the same geographic footprint through number portability and overlays.

Beyond these contexts, 562 may appear as a model number, code, or designation in various products, catalogs, or systems. As a numeric identifier, it does not have a single, universal meaning beyond its mathematical properties and its use in calendars, communications, and cataloging.