28304050 has 24 divisors (see below), whose sum is σ = 52786800. Its totient is φ = 11291280.

The previous prime is 28304039. The next prime is 28304057. The reversal of 28304050 is 5040382.

It is a super-2 number, since 2×28304050² = 1602238492805000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28304057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32521 + ... + 33379.

It is an arithmetic number, because the mean of its divisors is an integer number (2199450).

Almost surely, 2^28304050 is an apocalyptic number.

28304050 is a deficient number, since it is larger than the sum of its proper divisors (24482750).

28304050 is a wasteful number, since it uses less digits than its factorization.

28304050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 28304050 is about 5320.1550729279. The cubic root of 28304050 is about 304.7540792920.

The spelling of 28304050 in words is "twenty-eight million, three hundred four thousand, fifty".