30049780 has 24 divisors (see below), whose sum is σ = 63252000. Its totient is φ = 11991840.

The previous prime is 30049739. The next prime is 30049807. The reversal of 30049780 is 8794003.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8475 + ... + 11485.

It is an arithmetic number, because the mean of its divisors is an integer number (2635500).

Almost surely, 2^30049780 is an apocalyptic number.

It is an amenable number.

30049780 is an abundant number, since it is smaller than the sum of its proper divisors (33202220).

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

30049780 is a wasteful number, since it uses less digits than its factorization.

30049780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519 (or 3517 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 30049780 is about 5481.7679629842. The cubic root of 30049780 is about 310.8950201052.

The spelling of 30049780 in words is "thirty million, forty-nine thousand, seven hundred eighty".