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243331041 = 3283286609
BaseRepresentation
bin11101000000011…
…10111111100001
3121221212111102210
432200032333201
5444243043131
640051232333
76013164642
oct1640167741
9557774383
10243331041
11115399238
12695a86a9
133b549085
14244616c9
1516568146
hexe80efe1

243331041 has 8 divisors (see below), whose sum is σ = 325588960. Its totient is φ = 161646912.

The previous prime is 243330991. The next prime is 243331087. The reversal of 243331041 is 140133342.

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

It is not a de Polignac number, because 243331041 - 26 = 243330977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243330999 and 243331017.

It is not an unprimeable number, because it can be changed into a prime (243331091) 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, 142456 + ... + 144153.

It is an arithmetic number, because the mean of its divisors is an integer number (40698620).

Almost surely, 2243331041 is an apocalyptic number.

It is an amenable number.

243331041 is a deficient number, since it is larger than the sum of its proper divisors (82257919).

243331041 is a wasteful number, since it uses less digits than its factorization.

243331041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286895.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 243331041 is about 15599.0717993091. The cubic root of 243331041 is about 624.3083899498.

Adding to 243331041 its reverse (140133342), we get a palindrome (383464383).

The spelling of 243331041 in words is "two hundred forty-three million, three hundred thirty-one thousand, forty-one".

Divisors: 1 3 283 849 286609 859827 81110347 243331041