20400

20400 is a natural number that comes after 20399 and before 20401. It is an even, composite number with prime factorization 2^4 × 3 × 5^2 × 17. This factorization gives 60 positive divisors. The sum of its divisors is 69,192. The number is divisible by 400 (since 20400 = 400 × 51), and also by 100, 16, 3, and 5, among other divisors. As a decimal, its digits sum to 6, so it is a Harshad (Niven) number in base 10 because 20400 is divisible by 6 (20400 ÷ 6 = 3400).

In common numeral systems, 20400 can be represented as 0x4FB0 in hexadecimal and as 0100 1111 1011 0000 in binary. The hexadecimal form highlights its factorization-related structure, since 0x4FB0 corresponds to the decimal 20400.

As a plain integer, 20400 may appear in various practical contexts, such as identifiers, catalog numbers, or codes in different regions or industries. There is no single canonical meaning for 20400 beyond its mathematical properties; its significance depends on the specific domain or dataset in which it appears. In mathematical references, it is mainly noted for its factorization, divisor count, and base‑10 properties.

Overall, 20400 is a moderately large composite number with a clear prime factorization, useful for illustrating standard arithmetic and representation in multiple bases.