28050200 has 48 divisors (see below), whose sum is σ = 65751000. Its totient is φ = 11128320.

The previous prime is 28050199. The next prime is 28050227. The reversal of 28050200 is 205082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27296 + ... + 28304.

Almost surely, 2^28050200 is an apocalyptic number.

28050200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28050200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32875500).

28050200 is an abundant number, since it is smaller than the sum of its proper divisors (37700800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28050200 is a wasteful number, since it uses less digits than its factorization.

28050200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 28050200 is about 5296.2439520853. The cubic root of 28050200 is about 303.8402611851.

Adding to 28050200 its reverse (205082), we get a palindrome (28255282).

The spelling of 28050200 in words is "twenty-eight million, fifty thousand, two hundred".