30252460 has 48 divisors (see below), whose sum is σ = 72959040. Its totient is φ = 10321920.

The previous prime is 30252451. The next prime is 30252479. The reversal of 30252460 is 6425203.

It is a happy number.

It is a super-2 number, since 2×30252460² = 1830422672103200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38956 + ... + 39724.

It is an arithmetic number, because the mean of its divisors is an integer number (1519980).

Almost surely, 2^30252460 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 30252460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36479520).

30252460 is an abundant number, since it is smaller than the sum of its proper divisors (42706580).

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

30252460 is a wasteful number, since it uses less digits than its factorization.

30252460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30252460 is about 5500.2236318172. The cubic root of 30252460 is about 311.5924302331.

Adding to 30252460 its reverse (6425203), we get a palindrome (36677663).

The spelling of 30252460 in words is "thirty million, two hundred fifty-two thousand, four hundred sixty".