28011052 has 12 divisors (see below), whose sum is σ = 49056840. Its totient is φ = 13994816.

The previous prime is 28011031. The next prime is 28011091. The reversal of 28011052 is 25011082.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7524 + ... + 10612.

It is an arithmetic number, because the mean of its divisors is an integer number (4088070).

Almost surely, 2^28011052 is an apocalyptic number.

It is an amenable number.

28011052 is a deficient number, since it is larger than the sum of its proper divisors (21045788).

28011052 is a wasteful number, since it uses less digits than its factorization.

28011052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360 (or 5358 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 28011052 is about 5292.5468349368. The cubic root of 28011052 is about 303.6988447670.

The spelling of 28011052 in words is "twenty-eight million, eleven thousand, fifty-two".