30141630 has 96 divisors (see below), whose sum is σ = 81881280. Its totient is φ = 7687680.

The previous prime is 30141607. The next prime is 30141647. The reversal of 30141630 is 3614103.

30141630 is a `hidden beast` number, since 30 + 1 + 4 + 1 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 338626 + ... + 338714.

It is an arithmetic number, because the mean of its divisors is an integer number (852930).

Almost surely, 2^30141630 is an apocalyptic number.

30141630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30141630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40940640).

30141630 is an abundant number, since it is smaller than the sum of its proper divisors (51739650).

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

30141630 is a wasteful number, since it uses less digits than its factorization.

30141630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30141630 is about 5490.1393424940. The cubic root of 30141630 is about 311.2114579459.

Adding to 30141630 its reverse (3614103), we get a palindrome (33755733).

The spelling of 30141630 in words is "thirty million, one hundred forty-one thousand, six hundred thirty".