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243104323 = 7113157199
BaseRepresentation
bin11100111110101…
…11101001000011
3121221102222102211
432133113221003
5444213314243
640042322551
76011231650
oct1637275103
9557388384
10243104323
11115253970
12694b9457
133b499b17
1424402c27
1516520d9d
hexe7d7a43

243104323 has 8 divisors (see below), whose sum is σ = 303091200. Its totient is φ = 189431880.

The previous prime is 243104311. The next prime is 243104353. The reversal of 243104323 is 323401342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243104323 - 221 = 241007171 is a prime.

It is a super-2 number, since 2×2431043232 = 118199423722576658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243104294 and 243104303.

It is not an unprimeable number, because it can be changed into a prime (243104353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578523 + ... + 1578676.

It is an arithmetic number, because the mean of its divisors is an integer number (37886400).

Almost surely, 2243104323 is an apocalyptic number.

243104323 is a deficient number, since it is larger than the sum of its proper divisors (59986877).

243104323 is a wasteful number, since it uses less digits than its factorization.

243104323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157217.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 243104323 is about 15591.8030708446. The cubic root of 243104323 is about 624.1144347914.

Adding to 243104323 its reverse (323401342), we get a palindrome (566505665).

The spelling of 243104323 in words is "two hundred forty-three million, one hundred four thousand, three hundred twenty-three".

Divisors: 1 7 11 77 3157199 22100393 34729189 243104323