30028276 has 12 divisors (see below), whose sum is σ = 53771872. Its totient is φ = 14664888.

The previous prime is 30028267. The next prime is 30028279. The reversal of 30028276 is 67282003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30028279) by changing a digit.

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, 87120 + ... + 87463.

Almost surely, 2^30028276 is an apocalyptic number.

It is an amenable number.

30028276 is a deficient number, since it is larger than the sum of its proper divisors (23743596).

30028276 is a wasteful number, since it uses less digits than its factorization.

30028276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174630 (or 174628 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 30028276 is about 5479.8062009527. The cubic root of 30028276 is about 310.8208422810.

The spelling of 30028276 in words is "thirty million, twenty-eight thousand, two hundred seventy-six".