243313048 has 64 divisors (see below), whose sum is σ = 520704000. Its totient is φ = 105580800.

The previous prime is 243313039. The next prime is 243313093. The reversal of 243313048 is 840313342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214948 + ... + 216076.

It is an arithmetic number, because the mean of its divisors is an integer number (8136000).

Almost surely, 2^243313048 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 243313048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260352000).

243313048 is an abundant number, since it is smaller than the sum of its proper divisors (277390952).

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

243313048 is a wasteful number, since it uses less digits than its factorization.

243313048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 243313048 is about 15598.4950556135. The cubic root of 243313048 is about 624.2930015066.

The spelling of 243313048 in words is "two hundred forty-three million, three hundred thirteen thousand, forty-eight".