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243230103 = 3227025567
BaseRepresentation
bin11100111111101…
…10010110010111
3121221200100222100
432133312112113
5444231330403
640045133143
76012264444
oct1637662627
9557610870
10243230103
1111532a416
126955a1b3
133b51214c
14244369cb
15165482a3
hexe7f6597

243230103 has 6 divisors (see below), whose sum is σ = 351332384. Its totient is φ = 162153396.

The previous prime is 243230051. The next prime is 243230111. The reversal of 243230103 is 301032342.

It is not a de Polignac number, because 243230103 - 212 = 243226007 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 (243230173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13512775 + ... + 13512792.

Almost surely, 2243230103 is an apocalyptic number.

243230103 is a deficient number, since it is larger than the sum of its proper divisors (108102281).

243230103 is a wasteful number, since it uses less digits than its factorization.

243230103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27025573 (or 27025570 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 243230103 is about 15595.8360789026. The cubic root of 243230103 is about 624.2220533067. Note that the first 3 decimals are identical.

Adding to 243230103 its reverse (301032342), we get a palindrome (544262445).

The spelling of 243230103 in words is "two hundred forty-three million, two hundred thirty thousand, one hundred three".

Divisors: 1 3 9 27025567 81076701 243230103