30149080 has 64 divisors (see below), whose sum is σ = 75075840. Its totient is φ = 10824192.

The previous prime is 30149051. The next prime is 30149087. The reversal of 30149080 is 8094103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30149087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18457 + ... + 20023.

It is an arithmetic number, because the mean of its divisors is an integer number (1173060).

Almost surely, 2^30149080 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 30149080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37537920).

30149080 is an abundant number, since it is smaller than the sum of its proper divisors (44926760).

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

30149080 is a wasteful number, since it uses less digits than its factorization.

30149080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 30149080 is about 5490.8177897286. The cubic root of 30149080 is about 311.2370961785.

The spelling of 30149080 in words is "thirty million, one hundred forty-nine thousand, eighty".