30613152 has 48 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 10086912.

The previous prime is 30613129. The next prime is 30613157. The reversal of 30613152 is 25131603.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (30613157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6753 + ... + 10335.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 2^30613152 is an apocalyptic number.

30613152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30613152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40642560).

30613152 is an abundant number, since it is smaller than the sum of its proper divisors (50671968).

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

30613152 is a wasteful number, since it uses less digits than its factorization.

30613152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685 (or 3677 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 30613152 is about 5532.9153255766. The cubic root of 30613152 is about 312.8258855308.

Adding to 30613152 its reverse (25131603), we get a palindrome (55744755).

The spelling of 30613152 in words is "thirty million, six hundred thirteen thousand, one hundred fifty-two".