30132500 has 60 divisors (see below), whose sum is σ = 69868260. Its totient is φ = 11328000.

The previous prime is 30132497. The next prime is 30132577. The reversal of 30132500 is 523103.

It can be written as a sum of positive squares in 10 ways, for example, as 24581764 + 5550736 = 4958^2 + 2356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42146 + ... + 42854.

It is an arithmetic number, because the mean of its divisors is an integer number (1164471).

Almost surely, 2^30132500 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 30132500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34934130).

30132500 is an abundant number, since it is smaller than the sum of its proper divisors (39735760).

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

30132500 is a wasteful number, since it uses less digits than its factorization.

30132500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 30132500 is about 5489.3077887836. The cubic root of 30132500 is about 311.1800324441.

Adding to 30132500 its reverse (523103), we get a palindrome (30655603).

The spelling of 30132500 in words is "thirty million, one hundred thirty-two thousand, five hundred".