30249506 has 16 divisors (see below), whose sum is σ = 52002240. Its totient is φ = 12927600.

The previous prime is 30249503. The next prime is 30249553. The reversal of 30249506 is 60594203.

It is a super-2 number, since 2×30249506² = 1830065226488072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30249503) 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 7 ways as a sum of consecutive naturals, for example, 2456 + ... + 8156.

It is an arithmetic number, because the mean of its divisors is an integer number (3250140).

Almost surely, 2^30249506 is an apocalyptic number.

30249506 is a deficient number, since it is larger than the sum of its proper divisors (21752734).

30249506 is a wasteful number, since it uses less digits than its factorization.

30249506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 30249506 is about 5499.9550907257. The cubic root of 30249506 is about 311.5822880937.

The spelling of 30249506 in words is "thirty million, two hundred forty-nine thousand, five hundred six".