30254642 has 8 divisors (see below), whose sum is σ = 49507632. Its totient is φ = 13752100.

The previous prime is 30254621. The next prime is 30254647. The reversal of 30254642 is 24645203.

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

It is not an unprimeable number, because it can be changed into a prime (30254647) 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 3 ways as a sum of consecutive naturals, for example, 687584 + ... + 687627.

It is an arithmetic number, because the mean of its divisors is an integer number (6188454).

Almost surely, 2^30254642 is an apocalyptic number.

30254642 is a deficient number, since it is larger than the sum of its proper divisors (19252990).

30254642 is a wasteful number, since it uses less digits than its factorization.

30254642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375224.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 30254642 is about 5500.4219838118. The cubic root of 30254642 is about 311.5999213962.

Adding to 30254642 its reverse (24645203), we get a palindrome (54899845).

It can be divided in two parts, 3025 and 4642, that added together give a palindrome (7667).

The spelling of 30254642 in words is "thirty million, two hundred fifty-four thousand, six hundred forty-two".