464

464 is a natural number that comes after 463 and before 465. In decimal notation it is written as 464. The number is even and composite, and it appears in ordinary counting, arithmetic, and various scientific contexts.

Mathematically, 464 factors as 2^4 × 29. Its positive divisors are 1, 2, 4, 8, 16, 29, 58, 116, 232, and 464. The Euler totient φ(464) equals 224. The number is not prime, not a square or a cube, and its digits sum to 14, so it is not divisible by 3 or 9.

In different base representations, 464 is written as 111010000 in binary and as 0x1D0 in hexadecimal. In Roman numerals, 464 is CDLXIV.

As a calendar year, 464 CE is used in historical dating. Events associated with that year are regionally specific and depend on the historical and calendrical contexts being considered rather than representing a single globally notable occurrence.

See also: neighboring integers 463 and 465, and general number-theory topics such as prime factorization and base representations.