30215044 has 12 divisors (see below), whose sum is σ = 53621568. Its totient is φ = 14894600.

The previous prime is 30215041. The next prime is 30215063. The reversal of 30215044 is 44051203.

It is not an unprimeable number, because it can be changed into a prime (30215041) 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 3 ways as a sum of consecutive naturals, for example, 52912 + ... + 53479.

It is an arithmetic number, because the mean of its divisors is an integer number (4468464).

Almost surely, 2^30215044 is an apocalyptic number.

It is an amenable number.

30215044 is a deficient number, since it is larger than the sum of its proper divisors (23406524).

30215044 is a wasteful number, since it uses less digits than its factorization.

30215044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106466 (or 106464 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 30215044 is about 5496.8212632393. The cubic root of 30215044 is about 311.4639188980.

Adding to 30215044 its reverse (44051203), we get a palindrome (74266247).

The spelling of 30215044 in words is "thirty million, two hundred fifteen thousand, forty-four".