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143305041 = 3115989827
BaseRepresentation
bin10001000101010…
…10100101010001
3100222122122120010
420202222211101
5243141230131
622115305133
73360033645
oct1042524521
9328578503
10143305041
117398a220
123bbab1a9
13238c67a9
1415064c25
15c8aab46
hex88aa951

143305041 has 32 divisors (see below), whose sum is σ = 214617600. Its totient is φ = 84318080.

The previous prime is 143305039. The next prime is 143305067. The reversal of 143305041 is 140503341.

It is not a de Polignac number, because 143305041 - 21 = 143305039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143304999 and 143305017.

It is not an unprimeable number, because it can be changed into a prime (143305241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172870 + ... + 173696.

It is an arithmetic number, because the mean of its divisors is an integer number (6706800).

Almost surely, 2143305041 is an apocalyptic number.

143305041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143305041 is a deficient number, since it is larger than the sum of its proper divisors (71312559).

143305041 is a wasteful number, since it uses less digits than its factorization.

143305041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 143305041 is about 11971.0083535181. The cubic root of 143305041 is about 523.3037206751.

Adding to 143305041 its reverse (140503341), we get a palindrome (283808382).

The spelling of 143305041 in words is "one hundred forty-three million, three hundred five thousand, forty-one".

Divisors: 1 3 11 33 59 89 177 267 649 827 979 1947 2481 2937 5251 9097 15753 27291 48793 57761 73603 146379 173283 220809 536723 809633 1610169 2428899 4342577 13027731 47768347 143305041