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243144113 = 4717928901
BaseRepresentation
bin11100111111000…
…01010110110001
3121221112000000112
432133201112301
5444221102423
640043231105
76011455652
oct1637412661
9557460015
10243144113
11115280853
1269518495
133b4b1c74
1424413529
151652ca78
hexe7e15b1

243144113 has 8 divisors (see below), whose sum is σ = 249713280. Its totient is φ = 236633200.

The previous prime is 243144107. The next prime is 243144127. The reversal of 243144113 is 311441342.

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 243144113 - 220 = 242095537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243144313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6038 + ... + 22863.

It is an arithmetic number, because the mean of its divisors is an integer number (31214160).

Almost surely, 2243144113 is an apocalyptic number.

It is an amenable number.

243144113 is a deficient number, since it is larger than the sum of its proper divisors (6569167).

243144113 is a wasteful number, since it uses less digits than its factorization.

243144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29127.

The product of its digits is 1152, while the sum is 23.

The square root of 243144113 is about 15593.0790096119. The cubic root of 243144113 is about 624.1484834916.

Adding to 243144113 its reverse (311441342), we get a palindrome (554585455).

The spelling of 243144113 in words is "two hundred forty-three million, one hundred forty-four thousand, one hundred thirteen".

Divisors: 1 47 179 8413 28901 1358347 5173279 243144113