30141688 has 16 divisors (see below), whose sum is σ = 56601360. Its totient is φ = 15048000.

The previous prime is 30141673. The next prime is 30141689. The reversal of 30141688 is 88614103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30141689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3613 + ... + 8563.

It is an arithmetic number, because the mean of its divisors is an integer number (3537585).

Almost surely, 2^30141688 is an apocalyptic number.

It is an amenable number.

30141688 is a deficient number, since it is larger than the sum of its proper divisors (26459672).

30141688 is a wasteful number, since it uses less digits than its factorization.

30141688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 30141688 is about 5490.1446246889. The cubic root of 30141688 is about 311.2116575619.

The spelling of 30141688 in words is "thirty million, one hundred forty-one thousand, six hundred eighty-eight".