28110141 has 6 divisors (see below), whose sum is σ = 40603550. Its totient is φ = 18740088.

The previous prime is 28110113. The next prime is 28110151. The reversal of 28110141 is 14101182.

It can be written as a sum of positive squares in only one way, i.e., 20738916 + 7371225 = 4554^2 + 2715^2 .

It is not a de Polignac number, because 28110141 - 2⁷ = 28110013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28110151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1561666 + ... + 1561683.

Almost surely, 2^28110141 is an apocalyptic number.

It is an amenable number.

28110141 is a deficient number, since it is larger than the sum of its proper divisors (12493409).

28110141 is a wasteful number, since it uses less digits than its factorization.

28110141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123355 (or 3123352 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 28110141 is about 5301.8997538618. The cubic root of 28110141 is about 304.0565345284.

The spelling of 28110141 in words is "twenty-eight million, one hundred ten thousand, one hundred forty-one".