30252480 has 56 divisors (see below), whose sum is σ = 96054672. Its totient is φ = 8067072.

The previous prime is 30252479. The next prime is 30252491. The reversal of 30252480 is 8425203.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30252480.

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 7 ways as a sum of consecutive naturals, for example, 14797 + ... + 16716.

It is an arithmetic number, because the mean of its divisors is an integer number (1715262).

Almost surely, 2^30252480 is an apocalyptic number.

30252480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30252480 is an abundant number, since it is smaller than the sum of its proper divisors (65802192).

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

30252480 is a wasteful number, since it uses less digits than its factorization.

30252480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31533 (or 31523 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 30252480 is about 5500.2254499248. The cubic root of 30252480 is about 311.5924988980.

Adding to 30252480 its reverse (8425203), we get a palindrome (38677683).

The spelling of 30252480 in words is "thirty million, two hundred fifty-two thousand, four hundred eighty".