28712150 has 36 divisors (see below), whose sum is σ = 56759388. Its totient is φ = 10803840.

The previous prime is 28712149. The next prime is 28712161. The reversal of 28712150 is 5121782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13457 + ... + 15443.

Almost surely, 2^28712150 is an apocalyptic number.

28712150 is a deficient number, since it is larger than the sum of its proper divisors (28047238).

28712150 is a wasteful number, since it uses less digits than its factorization.

28712150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 28712150 is about 5358.3719542413. The cubic root of 28712150 is about 306.2117875410.

The spelling of 28712150 in words is "twenty-eight million, seven hundred twelve thousand, one hundred fifty".