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243875423 = 1152342391
BaseRepresentation
bin11101000100100…
…11111001011111
3121222220011012002
432202103321133
5444413003143
640111032515
76020623031
oct1642237137
9558804162
10243875423
11115730240
126980b73b
133b6a9aac
1424563c51
15166245b8
hexe893e5f

243875423 has 8 divisors (see below), whose sum is σ = 266560896. Its totient is φ = 221275800.

The previous prime is 243875369. The next prime is 243875441. The reversal of 243875423 is 324578342.

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

It is a cyclic number.

It is not a de Polignac number, because 243875423 - 216 = 243809887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243875483) 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, 15443 + ... + 26948.

It is an arithmetic number, because the mean of its divisors is an integer number (33320112).

Almost surely, 2243875423 is an apocalyptic number.

243875423 is a deficient number, since it is larger than the sum of its proper divisors (22685473).

243875423 is a wasteful number, since it uses less digits than its factorization.

243875423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42925.

The product of its digits is 161280, while the sum is 38.

The square root of 243875423 is about 15616.5112301051. The cubic root of 243875423 is about 624.7736123010.

The spelling of 243875423 in words is "two hundred forty-three million, eight hundred seventy-five thousand, four hundred twenty-three".

Divisors: 1 11 523 5753 42391 466301 22170493 243875423