30049442 has 8 divisors (see below), whose sum is σ = 45220032. Its totient is φ = 14976100.

The previous prime is 30049441. The next prime is 30049451. The reversal of 30049442 is 24494003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30049442² = 1805937929022728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30049441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23534 + ... + 24777.

It is an arithmetic number, because the mean of its divisors is an integer number (5652504).

Almost surely, 2^30049442 is an apocalyptic number.

30049442 is a deficient number, since it is larger than the sum of its proper divisors (15170590).

30049442 is a wasteful number, since it uses less digits than its factorization.

30049442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48624.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30049442 is about 5481.7371334277. The cubic root of 30049442 is about 310.8938544515.

The spelling of 30049442 in words is "thirty million, forty-nine thousand, four hundred forty-two".