30195024 has 80 divisors (see below), whose sum is σ = 81453120. Its totient is φ = 9630720.

The previous prime is 30195013. The next prime is 30195029. The reversal of 30195024 is 42059103.

It is a Cunningham number, because it is equal to 5495²-1.

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

It is a junction number, because it is equal to n+sod(n) for n = 30194985 and 30195003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30195029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 131742 + ... + 131970.

It is an arithmetic number, because the mean of its divisors is an integer number (1018164).

Almost surely, 2^30195024 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 30195024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40726560).

30195024 is an abundant number, since it is smaller than the sum of its proper divisors (51258096).

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

30195024 is a wasteful number, since it uses less digits than its factorization.

30195024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 30195024 is about 5494.9999090082. Note that the first 4 decimals coincide. The cubic root of 30195024 is about 311.3951133791.

The spelling of 30195024 in words is "thirty million, one hundred ninety-five thousand, twenty-four".