30247100 has 72 divisors (see below), whose sum is σ = 72182880. Its totient is φ = 10932480.

The previous prime is 30247057. The next prime is 30247127. The reversal of 30247100 is 174203.

It is a happy number.

It is a super-3 number, since 3×30247100³ (a number of 23 digits) contains 333 as substring.

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 23 ways as a sum of consecutive naturals, for example, 68681 + ... + 69119.

It is an arithmetic number, because the mean of its divisors is an integer number (1002540).

Almost surely, 2^30247100 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 30247100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36091440).

30247100 is an abundant number, since it is smaller than the sum of its proper divisors (41935780).

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

30247100 is a wasteful number, since it uses less digits than its factorization.

30247100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 30247100 is about 5499.7363573175. The cubic root of 30247100 is about 311.5740269465.

The spelling of 30247100 in words is "thirty million, two hundred forty-seven thousand, one hundred".