30412402 has 4 divisors (see below), whose sum is σ = 45618606. Its totient is φ = 15206200.

The previous prime is 30412397. The next prime is 30412423. The reversal of 30412402 is 20421403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29691601 + 720801 = 5449^2 + 849^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7603099 + ... + 7603102.

Almost surely, 2^30412402 is an apocalyptic number.

30412402 is a deficient number, since it is larger than the sum of its proper divisors (15206204).

30412402 is a wasteful number, since it uses less digits than its factorization.

30412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15206203.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30412402 is about 5514.7440557110. The cubic root of 30412402 is about 312.1405856133.

Adding to 30412402 its reverse (20421403), we get a palindrome (50833805).

Subtracting from 30412402 its reverse (20421403), we obtain a palindrome (9990999).

The spelling of 30412402 in words is "thirty million, four hundred twelve thousand, four hundred two".