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9907109 is a prime number
BaseRepresentation
bin100101110010…
…101110100101
3200122022222222
4211302232211
510014011414
6552202125
7150131462
oct45625645
920568888
109907109
1156573a3
123399345
13208b4c4
14145c669
15d0a68e
hex972ba5

9907109 has 2 divisors, whose sum is σ = 9907110. Its totient is φ = 9907108.

The previous prime is 9907099. The next prime is 9907123. The reversal of 9907109 is 9017099.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8352100 + 1555009 = 2890^2 + 1247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9907109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9907309) 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 as a sum of consecutive naturals, namely, 4953554 + 4953555.

It is an arithmetic number, because the mean of its divisors is an integer number (4953555).

Almost surely, 29907109 is an apocalyptic number.

It is an amenable number.

9907109 is a deficient number, since it is larger than the sum of its proper divisors (1).

9907109 is an equidigital number, since it uses as much as digits as its factorization.

9907109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 35.

The square root of 9907109 is about 3147.5560360381. The cubic root of 9907109 is about 214.7743007398.

The spelling of 9907109 in words is "nine million, nine hundred seven thousand, one hundred nine".