30969250 has 48 divisors (see below), whose sum is σ = 62862696. Its totient is φ = 11419200.

The previous prime is 30969233. The next prime is 30969283. The reversal of 30969250 is 5296903.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2442969 + 28526281 = 1563^2 + 5341^2 .

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

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41884 + ... + 42616.

Almost surely, 2^30969250 is an apocalyptic number.

30969250 is an abundant number, since it is smaller than the sum of its proper divisors (31893446).

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

30969250 is a wasteful number, since it uses less digits than its factorization.

30969250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 30969250 is about 5565.0022461810. The cubic root of 30969250 is about 314.0341626454.

The spelling of 30969250 in words is "thirty million, nine hundred sixty-nine thousand, two hundred fifty".