30029146 has 24 divisors (see below), whose sum is σ = 52651296. Its totient is φ = 12582840.

The previous prime is 30029137. The next prime is 30029147. The reversal of 30029146 is 64192003.

It is a self number, because there is not a number n which added to its sum of digits gives 30029146.

It is not an unprimeable number, because it can be changed into a prime (30029147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 30441 + ... + 31411.

It is an arithmetic number, because the mean of its divisors is an integer number (2193804).

Almost surely, 2^30029146 is an apocalyptic number.

30029146 is a deficient number, since it is larger than the sum of its proper divisors (22622150).

30029146 is an equidigital number, since it uses as much as digits as its factorization.

30029146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 30029146 is about 5479.8855827471. The cubic root of 30029146 is about 310.8238440243.

The spelling of 30029146 in words is "thirty million, twenty-nine thousand, one hundred forty-six".