30241530 has 72 divisors (see below), whose sum is σ = 86456916. Its totient is φ = 7328640.

The previous prime is 30241493. The next prime is 30241531. The reversal of 30241530 is 3514203.

It can be written as a sum of positive squares in 2 ways, for example, as 28227969 + 2013561 = 5313^2 + 1419^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30241531) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9502 + ... + 12278.

Almost surely, 2^30241530 is an apocalyptic number.

30241530 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 30241530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43228458).

30241530 is an abundant number, since it is smaller than the sum of its proper divisors (56215386).

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

30241530 is a wasteful number, since it uses less digits than its factorization.

30241530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2798 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30241530 is about 5499.2299460925. The cubic root of 30241530 is about 311.5549003320.

Adding to 30241530 its reverse (3514203), we get a palindrome (33755733).

It can be divided in two parts, 3024 and 1530, that added together give a palindrome (4554).

The spelling of 30241530 in words is "thirty million, two hundred forty-one thousand, five hundred thirty".