30493080 has 96 divisors (see below), whose sum is σ = 100582560. Its totient is φ = 8010240.

The previous prime is 30493051. The next prime is 30493093. The reversal of 30493080 is 8039403.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 24964 + ... + 26156.

It is an arithmetic number, because the mean of its divisors is an integer number (1047735).

Almost surely, 2^30493080 is an apocalyptic number.

30493080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30493080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50291280).

30493080 is an abundant number, since it is smaller than the sum of its proper divisors (70089480).

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

30493080 is a wasteful number, since it uses less digits than its factorization.

30493080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 30493080 is about 5522.0539656907. The cubic root of 30493080 is about 312.4163573478.

The spelling of 30493080 in words is "thirty million, four hundred ninety-three thousand, eighty".