28141750 has 64 divisors (see below), whose sum is σ = 64891008. Its totient is φ = 8899200.

The previous prime is 28141747. The next prime is 28141777. The reversal of 28141750 is 5714182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22132 + ... + 23368.

It is an arithmetic number, because the mean of its divisors is an integer number (1013922).

Almost surely, 2^28141750 is an apocalyptic number.

28141750 is an abundant number, since it is smaller than the sum of its proper divisors (36749258).

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

28141750 is a wasteful number, since it uses less digits than its factorization.

28141750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 28141750 is about 5304.8798289876. The cubic root of 28141750 is about 304.1704592843.

It can be divided in two parts, 28 and 141750, that added together give a triangular number (141778 = T₅₃₂).

The spelling of 28141750 in words is "twenty-eight million, one hundred forty-one thousand, seven hundred fifty".