532

532 is the natural number that comes after 531 and before 533. It is an even, composite number that factors as 2^2 × 7 × 19. In number theory, 532 has 12 divisors, and the sum of its proper divisors is 588, which makes it an abundant number. Its representations include Roman numerals DXXXII, binary 1000010100, and hexadecimal 0x214.

In astronomy, 532 Herculina is a large main-belt asteroid discovered by Auguste Charlois in 1904. It is one of many numbered asteroids and is named after the mythic hero Heracles (Hercules). Its study contributes to understanding the composition and dynamics of the asteroid belt.

In optics, 532 nanometers refers to a green wavelength in the visible spectrum. This wavelength is commonly produced by frequency-doubled Nd:YAG lasers and is widely used in green laser pointers, metrology, and alignment applications.

Historically, the year 532 AD was marked by the Nika riots in Constantinople, a major civil uprising during the reign of Emperor Justinian I. The suppression of the riot helped shape the political and religious trajectory of the Byzantine Empire in the early medieval period.