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1243341329 = 7322397607
BaseRepresentation
bin100101000011011…
…1110001000010001
310012122120021122212
41022012332020101
510021243410304
6323213041505
742545140556
oct11206761021
93178507585
101243341329
1158891981a
122a8486295
1316a78ab39
14bb1b2a2d
157424c66e
hex4a1be211

1243341329 has 8 divisors (see below), whose sum is σ = 1261102080. Its totient is φ = 1225600416.

The previous prime is 1243341293. The next prime is 1243341347. The reversal of 1243341329 is 9231433421.

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 1243341329 - 224 = 1226564113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1243341295 and 1243341304.

It is not an unprimeable number, because it can be changed into a prime (1243341349) 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, 159644 + ... + 167250.

It is an arithmetic number, because the mean of its divisors is an integer number (157637760).

Almost surely, 21243341329 is an apocalyptic number.

It is an amenable number.

1243341329 is a deficient number, since it is larger than the sum of its proper divisors (17760751).

1243341329 is an equidigital number, since it uses as much as digits as its factorization.

1243341329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9919.

The product of its digits is 15552, while the sum is 32.

The square root of 1243341329 is about 35261.0454893215. The cubic root of 1243341329 is about 1075.3011823127.

The spelling of 1243341329 in words is "one billion, two hundred forty-three million, three hundred forty-one thousand, three hundred twenty-nine".

Divisors: 1 73 2239 7607 163447 555311 17032073 1243341329