28133050 has 24 divisors (see below), whose sum is σ = 57085632. Its totient is φ = 10230000.

The previous prime is 28133047. The next prime is 28133057. The reversal of 28133050 is 5033182.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (28133057) 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, 25026 + ... + 26125.

It is an arithmetic number, because the mean of its divisors is an integer number (2378568).

Almost surely, 2^28133050 is an apocalyptic number.

28133050 is an abundant number, since it is smaller than the sum of its proper divisors (28952582).

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

28133050 is a wasteful number, since it uses less digits than its factorization.

28133050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51174 (or 51169 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 28133050 is about 5304.0597658775. The cubic root of 28133050 is about 304.1391113671.

The spelling of 28133050 in words is "twenty-eight million, one hundred thirty-three thousand, fifty".