28252150 has 48 divisors (see below), whose sum is σ = 54661680. Its totient is φ = 10857600.

The previous prime is 28252117. The next prime is 28252151. The reversal of 28252150 is 5125282.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28252151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179872 + ... + 180028.

It is an arithmetic number, because the mean of its divisors is an integer number (1138785).

Almost surely, 2^28252150 is an apocalyptic number.

28252150 is a deficient number, since it is larger than the sum of its proper divisors (26409530).

28252150 is a wasteful number, since it uses less digits than its factorization.

28252150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 28252150 is about 5315.2751575060. The cubic root of 28252150 is about 304.5676935501.

The spelling of 28252150 in words is "twenty-eight million, two hundred fifty-two thousand, one hundred fifty".