30352190 has 16 divisors (see below), whose sum is σ = 59600880. Its totient is φ = 11037120.

The previous prime is 30352141. The next prime is 30352207. The reversal of 30352190 is 9125303.

It is a happy number.

It is a super-2 number, since 2×30352190² = 1842510875592200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137855 + ... + 138074.

It is an arithmetic number, because the mean of its divisors is an integer number (3725055).

Almost surely, 2^30352190 is an apocalyptic number.

30352190 is a deficient number, since it is larger than the sum of its proper divisors (29248690).

30352190 is a wasteful number, since it uses less digits than its factorization.

30352190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275947.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 30352190 is about 5509.2821673971. The cubic root of 30352190 is about 311.9344523160.

Adding to 30352190 its reverse (9125303), we get a palindrome (39477493).

It can be divided in two parts, 3035 and 2190, that added together give a palindrome (5225).

The spelling of 30352190 in words is "thirty million, three hundred fifty-two thousand, one hundred ninety".