28136050 has 12 divisors (see below), whose sum is σ = 52333146. Its totient is φ = 11254400.

The previous prime is 28136029. The next prime is 28136051. The reversal of 28136050 is 5063182.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 25070049 + 3066001 = 5007^2 + 1751^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (28136051) by changing a digit.

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, 281311 + ... + 281410.

Almost surely, 2^28136050 is an apocalyptic number.

28136050 is a deficient number, since it is larger than the sum of its proper divisors (24197096).

28136050 is a wasteful number, since it uses less digits than its factorization.

28136050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562733 (or 562728 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 28136050 is about 5304.3425605818. The cubic root of 28136050 is about 304.1499217237.

The spelling of 28136050 in words is "twenty-eight million, one hundred thirty-six thousand, fifty".