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243848113 is a prime number
BaseRepresentation
bin11101000100011…
…01001110110001
3121222211202201121
432202031032301
5444411114423
640110302241
76020450305
oct1642151661
9558752647
10243848113
11115711773
12697b7981
133b69a532
1424557d05
151661b45d
hexe88d3b1

243848113 has 2 divisors, whose sum is σ = 243848114. Its totient is φ = 243848112.

The previous prime is 243848089. The next prime is 243848179. The reversal of 243848113 is 311848342.

243848113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243734544 + 113569 = 15612^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 243848113 - 217 = 243717041 is a prime.

It is not a weakly prime, because it can be changed into another prime (243848183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121924056 + 121924057.

It is an arithmetic number, because the mean of its divisors is an integer number (121924057).

Almost surely, 2243848113 is an apocalyptic number.

It is an amenable number.

243848113 is a deficient number, since it is larger than the sum of its proper divisors (1).

243848113 is an equidigital number, since it uses as much as digits as its factorization.

243848113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 243848113 is about 15615.6368105819. The cubic root of 243848113 is about 624.7502900052.

The spelling of 243848113 in words is "two hundred forty-three million, eight hundred forty-eight thousand, one hundred thirteen".