30104928 has 144 divisors (see below), whose sum is σ = 99459360. Its totient is φ = 8460288.

The previous prime is 30104897. The next prime is 30104933. The reversal of 30104928 is 82940103.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 219676 + ... + 219812.

It is an arithmetic number, because the mean of its divisors is an integer number (690690).

Almost surely, 2^30104928 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 30104928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49729680).

30104928 is an abundant number, since it is smaller than the sum of its proper divisors (69354432).

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

30104928 is a wasteful number, since it uses less digits than its factorization.

30104928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 258 counting only the distinct ones).

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

The square root of 30104928 is about 5486.7957862490. The cubic root of 30104928 is about 311.0850909455.

The spelling of 30104928 in words is "thirty million, one hundred four thousand, nine hundred twenty-eight".