30950080 has 112 divisors (see below), whose sum is σ = 86538816. Its totient is φ = 10321920.

The previous prime is 30950063. The next prime is 30950083. The reversal of 30950080 is 8005903.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (30950083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91672 + ... + 92008.

It is an arithmetic number, because the mean of its divisors is an integer number (772668).

Almost surely, 2^30950080 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 30950080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43269408).

30950080 is an abundant number, since it is smaller than the sum of its proper divisors (55588736).

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

30950080 is a wasteful number, since it uses less digits than its factorization.

30950080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 30950080 is about 5563.2796082886. The cubic root of 30950080 is about 313.9693534399.

Adding to 30950080 its reverse (8005903), we get a palindrome (38955983).

The spelling of 30950080 in words is "thirty million, nine hundred fifty thousand, eighty".