30506248 has 16 divisors (see below), whose sum is σ = 60210000. Its totient is φ = 14450256.

The previous prime is 30506237. The next prime is 30506249. The reversal of 30506248 is 84260503.

It is not an unprimeable number, because it can be changed into a prime (30506249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100198 + ... + 100501.

It is an arithmetic number, because the mean of its divisors is an integer number (3763125).

Almost surely, 2^30506248 is an apocalyptic number.

30506248 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30506248 is a deficient number, since it is larger than the sum of its proper divisors (29703752).

30506248 is a wasteful number, since it uses less digits than its factorization.

30506248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200724 (or 200720 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 30506248 is about 5523.2461469683. The cubic root of 30506248 is about 312.4613217196.

The spelling of 30506248 in words is "thirty million, five hundred six thousand, two hundred forty-eight".