30102948 has 48 divisors (see below), whose sum is σ = 78473920. Its totient is φ = 9979200.

The previous prime is 30102923. The next prime is 30102959. The reversal of 30102948 is 84920103.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22128 + ... + 23448.

Almost surely, 2^30102948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30102948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39236960).

30102948 is an abundant number, since it is smaller than the sum of its proper divisors (48370972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30102948 is a wasteful number, since it uses less digits than its factorization.

30102948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 30102948 is about 5486.6153501043. The cubic root of 30102948 is about 311.0782707777.

The spelling of 30102948 in words is "thirty million, one hundred two thousand, nine hundred forty-eight".