30851952 has 40 divisors (see below), whose sum is σ = 80459136. Its totient is φ = 10186176.

The previous prime is 30851929. The next prime is 30851963. The reversal of 30851952 is 25915803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2133 + ... + 8139.

Almost surely, 2^30851952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30851952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40229568).

30851952 is an abundant number, since it is smaller than the sum of its proper divisors (49607184).

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

30851952 is a wasteful number, since it uses less digits than its factorization.

30851952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125 (or 6119 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 30851952 is about 5554.4533484403. The cubic root of 30851952 is about 313.6371862574.

The spelling of 30851952 in words is "thirty million, eight hundred fifty-one thousand, nine hundred fifty-two".