30136246 has 8 divisors (see below), whose sum is σ = 51662160. Its totient is φ = 12915528.

The previous prime is 30136243. The next prime is 30136273. The reversal of 30136246 is 64263103.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30136246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30136243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076281 + ... + 1076308.

It is an arithmetic number, because the mean of its divisors is an integer number (6457770).

Almost surely, 2^30136246 is an apocalyptic number.

30136246 is a deficient number, since it is larger than the sum of its proper divisors (21525914).

30136246 is a wasteful number, since it uses less digits than its factorization.

30136246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152598.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 30136246 is about 5489.6489869572. The cubic root of 30136246 is about 311.1929269611.

Adding to 30136246 its reverse (64263103), we get a palindrome (94399349).

The spelling of 30136246 in words is "thirty million, one hundred thirty-six thousand, two hundred forty-six".