2428

2428 is a positive integer. It is even and composite, with prime factorization 2^2 × 607. Its positive divisors are 1, 2, 4, 607, 1214, and 2428.

In decimal notation it is 2428; in binary it is 100101111100; in hexadecimal it is 0x97C; in Roman numerals it is MMCDXXVIII. The digits sum to 16, giving a digital root of 7. It lies between 49^2 = 2401 and 50^2 = 2500, so it is not a perfect square.

In mathematics, 2428 serves as an example of a small composite, even number with an odd prime factor. It is not a prime, not a Fibonacci number, and not a triangular number.

In calendar terms, the year 2428 CE would occur in the 25th century. In astronomy, the number 2428 is part of the sequential designation given to minor planets, indicating a specific object that is typically later given a name in the standard naming conventions for celestial bodies.

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