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143340005 = 5171686353
BaseRepresentation
bin10001000101100…
…11000111100101
3100222201102112002
420202303013211
5243143340010
622120135045
73360240614
oct1042630745
9328642462
10143340005
1173a03516
1240007485
1323909693
141507387b
15c8b61a5
hex88b31e5

143340005 has 8 divisors (see below), whose sum is σ = 182126232. Its totient is φ = 107926528.

The previous prime is 143339981. The next prime is 143340007. The reversal of 143340005 is 500043341.

It can be written as a sum of positive squares in 4 ways, for example, as 19307236 + 124032769 = 4394^2 + 11137^2 .

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 143340005 - 218 = 143077861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143340007) 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, 843092 + ... + 843261.

It is an arithmetic number, because the mean of its divisors is an integer number (22765779).

Almost surely, 2143340005 is an apocalyptic number.

It is an amenable number.

143340005 is a deficient number, since it is larger than the sum of its proper divisors (38786227).

143340005 is a wasteful number, since it uses less digits than its factorization.

143340005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686375.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 143340005 is about 11972.4686259768. The cubic root of 143340005 is about 523.3462762924.

Adding to 143340005 its reverse (500043341), we get a palindrome (643383346).

The spelling of 143340005 in words is "one hundred forty-three million, three hundred forty thousand, five".

Divisors: 1 5 17 85 1686353 8431765 28668001 143340005