30380500 has 24 divisors (see below), whose sum is σ = 66352104. Its totient is φ = 12152000.

The previous prime is 30380461. The next prime is 30380503. The reversal of 30380500 is 508303.

It can be written as a sum of positive squares in 4 ways, for example, as 42436 + 30338064 = 206^2 + 5508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30380503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29881 + ... + 30880.

It is an arithmetic number, because the mean of its divisors is an integer number (2764671).

Almost surely, 2^30380500 is an apocalyptic number.

It is an amenable number.

30380500 is an abundant number, since it is smaller than the sum of its proper divisors (35971604).

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

30380500 is a wasteful number, since it uses less digits than its factorization.

30380500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60780 (or 60768 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30380500 is about 5511.8508688099. The cubic root of 30380500 is about 312.0314043559.

Adding to 30380500 its reverse (508303), we get a palindrome (30888803).

The spelling of 30380500 in words is "thirty million, three hundred eighty thousand, five hundred".