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143130341 = 294935529
BaseRepresentation
bin10001000011111…
…11111011100101
3100222022202220202
420201333323211
5243120132331
622111440245
73355405424
oct1041777345
9328282822
10143130341
117387aa42
123bb26085
1323865113
141501b2bb
15c873ecb
hex887fee5

143130341 has 4 divisors (see below), whose sum is σ = 148065900. Its totient is φ = 138194784.

The previous prime is 143130331. The next prime is 143130343. The reversal of 143130341 is 143031341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87030241 + 56100100 = 9329^2 + 7490^2 .

It is a cyclic number.

It is not a de Polignac number, because 143130341 - 26 = 143130277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143130343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2467736 + ... + 2467793.

It is an arithmetic number, because the mean of its divisors is an integer number (37016475).

Almost surely, 2143130341 is an apocalyptic number.

It is an amenable number.

143130341 is a deficient number, since it is larger than the sum of its proper divisors (4935559).

143130341 is an equidigital number, since it uses as much as digits as its factorization.

143130341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935558.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 143130341 is about 11963.7093328115. The cubic root of 143130341 is about 523.0909848812.

Adding to 143130341 its reverse (143031341), we get a palindrome (286161682).

The spelling of 143130341 in words is "one hundred forty-three million, one hundred thirty thousand, three hundred forty-one".

Divisors: 1 29 4935529 143130341