30532950 has 144 divisors (see below), whose sum is σ = 97493760. Its totient is φ = 6959520.

The previous prime is 30532933. The next prime is 30532951. The reversal of 30532950 is 5923503.

It is a super-2 number, since 2×30532950² = 1864522071405000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30532951) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 84871 + ... + 85229.

It is an arithmetic number, because the mean of its divisors is an integer number (677040).

Almost surely, 2^30532950 is an apocalyptic number.

30532950 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 30532950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48746880).

30532950 is an abundant number, since it is smaller than the sum of its proper divisors (66960810).

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

30532950 is a wasteful number, since it uses less digits than its factorization.

30532950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 30532950 is about 5525.6628561649. The cubic root of 30532950 is about 312.5524605261.

The spelling of 30532950 in words is "thirty million, five hundred thirty-two thousand, nine hundred fifty".