30195300 has 72 divisors (see below), whose sum is σ = 87931872. Its totient is φ = 8000000.

The previous prime is 30195283. The next prime is 30195307. The reversal of 30195300 is 359103.

It is a super-2 number, since 2×30195300² = 1823512284180000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30195307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75100 + ... + 75500.

It is an arithmetic number, because the mean of its divisors is an integer number (1221276).

Almost surely, 2^30195300 is an apocalyptic number.

30195300 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 30195300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43965936).

30195300 is an abundant number, since it is smaller than the sum of its proper divisors (57736572).

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

30195300 is a wasteful number, since it uses less digits than its factorization.

30195300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 30195300 is about 5495.0250226910. The cubic root of 30195300 is about 311.3960621534.

The spelling of 30195300 in words is "thirty million, one hundred ninety-five thousand, three hundred".