30252416 has 32 divisors (see below), whose sum is σ = 60775680. Its totient is φ = 14999040.

The previous prime is 30252413. The next prime is 30252433. The reversal of 30252416 is 61425203.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 30252391 and 30252400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30252413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15326 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (1899240).

Almost surely, 2^30252416 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 30252416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30387840).

30252416 is an abundant number, since it is smaller than the sum of its proper divisors (30523264).

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

30252416 is a wasteful number, since it uses less digits than its factorization.

30252416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30252416 is about 5500.2196319783. The cubic root of 30252416 is about 311.5922791702.

Adding to 30252416 its reverse (61425203), we get a palindrome (91677619).

The spelling of 30252416 in words is "thirty million, two hundred fifty-two thousand, four hundred sixteen".