30505150 has 48 divisors (see below), whose sum is σ = 62058528. Its totient is φ = 11088000.

The previous prime is 30505133. The next prime is 30505151. The reversal of 30505150 is 5150503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30505151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45820 + ... + 46480.

It is an arithmetic number, because the mean of its divisors is an integer number (1292886).

Almost surely, 2^30505150 is an apocalyptic number.

30505150 is an abundant number, since it is smaller than the sum of its proper divisors (31553378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30505150 is a wasteful number, since it uses less digits than its factorization.

30505150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 30505150 is about 5523.1467480052. The cubic root of 30505150 is about 312.4575729067.

Adding to 30505150 its reverse (5150503), we get a palindrome (35655653).

The spelling of 30505150 in words is "thirty million, five hundred five thousand, one hundred fifty".