4028

4028 is a natural number that follows 4027 and precedes 4029. It is an even, composite number used in various mathematical and practical contexts.

In number theory, 4028 factors as 2^2 × 19 × 53. This gives it 12 positive divisors. The sum of its proper divisors is 3532, which is less than 4028, so 4028 is a deficient number. It is not a prime, not a square, and does not belong to several common special sequences.

In base representations, 4028 is written as 111110111100 in binary, 7674 in octal, and 0x0FBC in hexadecimal. Its digit sum in decimal is 4 + 0 + 2 + 8 = 14, which reduces to 5 in digital root terms.

Beyond pure mathematics, 4028 appears as part of catalog and model numbers in various fields. In electronics, for example, the CD4028 is a CMOS device known as a BCD-to-decimal decoder/driver, and 4028 can appear in related part numbering. As a year, 4028 would be far in the future; as a dataset or identifier, it may occur in numerical labeling or product inventories.

See also would include neighboring integers such as 4027 and 4029 for contextual numbering, as well as related factorization considerations like 2^2 × 19 × 53 for those studying its divisors.