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243868341 = 3359226433
BaseRepresentation
bin11101000100100…
…10001010110101
3121222212210110210
432202102022311
5444412241331
640110540033
76020563263
oct1642221265
9558783423
10243868341
11115725992
1269807619
133b6a67c2
1424561433
1516622446
hexe8922b5

243868341 has 8 divisors (see below), whose sum is σ = 326064960. Its totient is φ = 162125312.

The previous prime is 243868327. The next prime is 243868343. The reversal of 243868341 is 143868342.

It is a happy number.

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 243868341 - 25 = 243868309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243868341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243868343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112140 + ... + 114293.

It is an arithmetic number, because the mean of its divisors is an integer number (40758120).

Almost surely, 2243868341 is an apocalyptic number.

It is an amenable number.

243868341 is a deficient number, since it is larger than the sum of its proper divisors (82196619).

243868341 is a wasteful number, since it uses less digits than its factorization.

243868341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226795.

The product of its digits is 110592, while the sum is 39.

The square root of 243868341 is about 15616.2844812715. The cubic root of 243868341 is about 624.7675645554.

Subtracting from 243868341 its reverse (143868342), we obtain a palindrome (99999999).

The spelling of 243868341 in words is "two hundred forty-three million, eight hundred sixty-eight thousand, three hundred forty-one".

Divisors: 1 3 359 1077 226433 679299 81289447 243868341