243413500 has 48 divisors (see below), whose sum is σ = 579956832. Its totient is φ = 88512000.

The previous prime is 243413483. The next prime is 243413507. The reversal of 243413500 is 5314342.

243413500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243413507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16629 + ... + 27628.

It is an arithmetic number, because the mean of its divisors is an integer number (12082434).

Almost surely, 2^243413500 is an apocalyptic number.

243413500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243413500 is an abundant number, since it is smaller than the sum of its proper divisors (336543332).

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

243413500 is a wasteful number, since it uses less digits than its factorization.

243413500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44287 (or 44275 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 243413500 is about 15601.7146493583. The cubic root of 243413500 is about 624.3789029861.

Adding to 243413500 its reverse (5314342), we get a palindrome (248727842).

The spelling of 243413500 in words is "two hundred forty-three million, four hundred thirteen thousand, five hundred".