28052030 has 8 divisors (see below), whose sum is σ = 50493672. Its totient is φ = 11220808.

The previous prime is 28051981. The next prime is 28052047. The reversal of 28052030 is 3025082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28051993 and 28052011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402592 + ... + 1402611.

It is an arithmetic number, because the mean of its divisors is an integer number (6311709).

Almost surely, 2^28052030 is an apocalyptic number.

28052030 is a deficient number, since it is larger than the sum of its proper divisors (22441642).

28052030 is a wasteful number, since it uses less digits than its factorization.

28052030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805210.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 28052030 is about 5296.4167132128. The cubic root of 28052030 is about 303.8468685721.

The spelling of 28052030 in words is "twenty-eight million, fifty-two thousand, thirty".