28011050 has 12 divisors (see below), whose sum is σ = 52100646. Its totient is φ = 11204400.

The previous prime is 28011031. The next prime is 28011091. The reversal of 28011050 is 5011082.

It can be written as a sum of positive squares in 3 ways, for example, as 23902321 + 4108729 = 4889^2 + 2027^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280061 + ... + 280160.

Almost surely, 2^28011050 is an apocalyptic number.

28011050 is a deficient number, since it is larger than the sum of its proper divisors (24089596).

28011050 is a wasteful number, since it uses less digits than its factorization.

28011050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560233 (or 560228 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 28011050 is about 5292.5466459919. The cubic root of 28011050 is about 303.6988375389.

The spelling of 28011050 in words is "twenty-eight million, eleven thousand, fifty".