30049005 has 24 divisors (see below), whose sum is σ = 55929312. Its totient is φ = 13736352.

The previous prime is 30048983. The next prime is 30049007. The reversal of 30049005 is 50094003.

It is not a de Polignac number, because 30049005 - 2¹¹ = 30046957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30049007) 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 23 ways as a sum of consecutive naturals, for example, 19707 + ... + 21176.

It is an arithmetic number, because the mean of its divisors is an integer number (2330388).

Almost surely, 2^30049005 is an apocalyptic number.

30049005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30049005 is a deficient number, since it is larger than the sum of its proper divisors (25880307).

30049005 is a wasteful number, since it uses less digits than its factorization.

30049005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40905 (or 40898 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 30049005 is about 5481.6972736553. The cubic root of 30049005 is about 310.8923473655.

The spelling of 30049005 in words is "thirty million, forty-nine thousand, five".