30156048 has 120 divisors (see below), whose sum is σ = 92415960. Its totient is φ = 9123840.

The previous prime is 30156041. The next prime is 30156053. The reversal of 30156048 is 84065103.

It can be written as a sum of positive squares in 4 ways, for example, as 2782224 + 27373824 = 1668^2 + 5232^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30156041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166518 + ... + 166698.

It is an arithmetic number, because the mean of its divisors is an integer number (770133).

Almost surely, 2^30156048 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 30156048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46207980).

30156048 is an abundant number, since it is smaller than the sum of its proper divisors (62259912).

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

30156048 is a wasteful number, since it uses less digits than its factorization.

30156048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 30156048 is about 5491.4522669327. The cubic root of 30156048 is about 311.2610718469.

The spelling of 30156048 in words is "thirty million, one hundred fifty-six thousand, forty-eight".