30241280 has 40 divisors (see below), whose sum is σ = 72514332. Its totient is φ = 12095488.

The previous prime is 30241271. The next prime is 30241291. The reversal of 30241280 is 8214203.

It can be written as a sum of positive squares in 2 ways, for example, as 29767936 + 473344 = 5456^2 + 688^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3347 + ... + 8466.

Almost surely, 2^30241280 is an apocalyptic number.

It is an amenable number.

30241280 is an abundant number, since it is smaller than the sum of its proper divisors (42273052).

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

30241280 is an equidigital number, since it uses as much as digits as its factorization.

30241280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836 (or 11820 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 30241280 is about 5499.2072155903. The cubic root of 30241280 is about 311.5540418112.

Adding to 30241280 its reverse (8214203), we get a palindrome (38455483).

The spelling of 30241280 in words is "thirty million, two hundred forty-one thousand, two hundred eighty".