30042600 has 192 divisors, whose sum is σ = 111421440. Its totient is φ = 6547200.

The previous prime is 30042583. The next prime is 30042611. The reversal of 30042600 is 624003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30042600.

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 47 ways as a sum of consecutive naturals, for example, 96445 + ... + 96755.

It is an arithmetic number, because the mean of its divisors is an integer number (580320).

Almost surely, 2^30042600 is an apocalyptic number.

30042600 is a gapful number since it is divisible by the number (30) 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 30042600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55710720).

30042600 is an abundant number, since it is smaller than the sum of its proper divisors (81378840).

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

30042600 is a wasteful number, since it uses less digits than its factorization.

30042600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30042600 is about 5481.1130256546. The cubic root of 30042600 is about 310.8702567064.

Adding to 30042600 its reverse (624003), we get a palindrome (30666603).

The spelling of 30042600 in words is "thirty million, forty-two thousand, six hundred".