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109084709 is a prime number
BaseRepresentation
bin1101000000010…
…00000000100101
321121021002002102
412200020000211
5210411202314
614454021445
72463130136
oct640100045
9247232072
10109084709
1156636a58
1230647885
13197a4886
14106b7c8d
15989b5de
hex6808025

109084709 has 2 divisors, whose sum is σ = 109084710. Its totient is φ = 109084708.

The previous prime is 109084673. The next prime is 109084711. The reversal of 109084709 is 907480901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68724100 + 40360609 = 8290^2 + 6353^2 .

It is a cyclic number.

It is not a de Polignac number, because 109084709 - 212 = 109080613 is a prime.

It is a super-2 number, since 2×1090847092 = 23798947475229362, which contains 22 as substring.

Together with 109084711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109084609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54542354 + 54542355.

It is an arithmetic number, because the mean of its divisors is an integer number (54542355).

Almost surely, 2109084709 is an apocalyptic number.

It is an amenable number.

109084709 is a deficient number, since it is larger than the sum of its proper divisors (1).

109084709 is an equidigital number, since it uses as much as digits as its factorization.

109084709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 109084709 is about 10444.3625463692. The cubic root of 109084709 is about 477.8093300097.

The spelling of 109084709 in words is "one hundred nine million, eighty-four thousand, seven hundred nine".