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109288943 is a prime number
BaseRepresentation
bin1101000001110…
…01110111101111
321121122110020122
412200321313233
5210434221233
614502235155
72464640441
oct640716757
9247573218
10109288943
1156766445
1230725abb
131984681a
141072c491
1598dbd98
hex6839def

109288943 has 2 divisors, whose sum is σ = 109288944. Its totient is φ = 109288942.

The previous prime is 109288909. The next prime is 109288973. The reversal of 109288943 is 349882901.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (349882901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109288943 - 28 = 109288687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109288894 and 109288903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109288973) 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 as a sum of consecutive naturals, namely, 54644471 + 54644472.

It is an arithmetic number, because the mean of its divisors is an integer number (54644472).

Almost surely, 2109288943 is an apocalyptic number.

109288943 is a deficient number, since it is larger than the sum of its proper divisors (1).

109288943 is an equidigital number, since it uses as much as digits as its factorization.

109288943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 109288943 is about 10454.1352105279. The cubic root of 109288943 is about 478.1073371691.

The spelling of 109288943 in words is "one hundred nine million, two hundred eighty-eight thousand, nine hundred forty-three".