243532260 has 36 divisors (see below), whose sum is σ = 738715068. Its totient is φ = 64941888.

The previous prime is 243532241. The next prime is 243532319. The reversal of 243532260 is 62235342.

243532260 is a `hidden beast` number, since 2 + 435 + 3 + 226 + 0 = 666.

243532260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 152176896 + 91355364 = 12336^2 + 9558^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×243532260³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676299 + ... + 676658.

It is an arithmetic number, because the mean of its divisors is an integer number (20519863).

Almost surely, 2^243532260 is an apocalyptic number.

243532260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243532260 is an abundant number, since it is smaller than the sum of its proper divisors (495182808).

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

243532260 is a wasteful number, since it uses less digits than its factorization.

243532260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352972 (or 1352967 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 243532260 is about 15605.5201771681. The cubic root of 243532260 is about 624.4804300617.

The spelling of 243532260 in words is "two hundred forty-three million, five hundred thirty-two thousand, two hundred sixty".