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143304009 = 347768003
BaseRepresentation
bin10001000101010…
…10010101001001
3100222122121010220
420202222111021
5243141212014
622115300253
73360030642
oct1042522511
9328577126
10143304009
1173989472
123bbaa689
13238c6194
14150646c9
15c8aa6a9
hex88aa549

143304009 has 4 divisors (see below), whose sum is σ = 191072016. Its totient is φ = 95536004.

The previous prime is 143303981. The next prime is 143304013. The reversal of 143304009 is 900403341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143304009 - 28 = 143303753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143304009.

It is not an unprimeable number, because it can be changed into a prime (143304709) 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 3 ways as a sum of consecutive naturals, for example, 23883999 + ... + 23884004.

It is an arithmetic number, because the mean of its divisors is an integer number (47768004).

Almost surely, 2143304009 is an apocalyptic number.

It is an amenable number.

143304009 is a deficient number, since it is larger than the sum of its proper divisors (47768007).

143304009 is an equidigital number, since it uses as much as digits as its factorization.

143304009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47768006.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 143304009 is about 11970.9652493022. The cubic root of 143304009 is about 523.3024644952.

Subtracting from 143304009 its sum of digits (24), we obtain a triangular number (143303985 = T16929).

The spelling of 143304009 in words is "one hundred forty-three million, three hundred four thousand, nine".

Divisors: 1 3 47768003 143304009