28263050 has 12 divisors (see below), whose sum is σ = 52569366. Its totient is φ = 11305200.

The previous prime is 28263049. The next prime is 28263071. The reversal of 28263050 is 5036282.

It can be written as a sum of positive squares in 3 ways, for example, as 14417209 + 13845841 = 3797^2 + 3721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282581 + ... + 282680.

Almost surely, 2^28263050 is an apocalyptic number.

28263050 is a deficient number, since it is larger than the sum of its proper divisors (24306316).

28263050 is a wasteful number, since it uses less digits than its factorization.

28263050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565273 (or 565268 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 28263050 is about 5316.3004053571. The cubic root of 28263050 is about 304.6068570711.

The spelling of 28263050 in words is "twenty-eight million, two hundred sixty-three thousand, fifty".