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243430024 = 23113269281
BaseRepresentation
bin11101000001001…
…11001010001000
3121222001112012211
432200213022020
5444304230044
640053314504
76014056345
oct1640471210
9558045184
10243430024
11115456642
1269635a34
133b582146
14244897cc
1516587634
hexe827288

243430024 has 16 divisors (see below), whose sum is σ = 460472220. Its totient is φ = 120637440.

The previous prime is 243429971. The next prime is 243430037. The reversal of 243430024 is 420034342.

It can be written as a sum of positive squares in 2 ways, for example, as 243048100 + 381924 = 15590^2 + 618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243429977 and 243430004.

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 3 ways as a sum of consecutive naturals, for example, 133737 + ... + 135544.

Almost surely, 2243430024 is an apocalyptic number.

It is an amenable number.

243430024 is a deficient number, since it is larger than the sum of its proper divisors (217042196).

243430024 is a wasteful number, since it uses less digits than its factorization.

243430024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269400 (or 269396 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 243430024 is about 15602.2441975506. The cubic root of 243430024 is about 624.3930312130.

Adding to 243430024 its reverse (420034342), we get a palindrome (663464366).

The spelling of 243430024 in words is "two hundred forty-three million, four hundred thirty thousand, twenty-four".

Divisors: 1 2 4 8 113 226 452 904 269281 538562 1077124 2154248 30428753 60857506 121715012 243430024