30380248 has 16 divisors (see below), whose sum is σ = 58800960. Its totient is φ = 14700000.

The previous prime is 30380243. The next prime is 30380249. The reversal of 30380248 is 84208303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30380243) 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, 61003 + ... + 61498.

It is an arithmetic number, because the mean of its divisors is an integer number (3675060).

Almost surely, 2^30380248 is an apocalyptic number.

It is an amenable number.

30380248 is a deficient number, since it is larger than the sum of its proper divisors (28420712).

30380248 is a wasteful number, since it uses less digits than its factorization.

30380248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122538 (or 122534 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 30380248 is about 5511.8280089277. The cubic root of 30380248 is about 312.0305416080.

It can be divided in two parts, 30380 and 248, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 30380248 in words is "thirty million, three hundred eighty thousand, two hundred forty-eight".