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14505109 is a prime number
BaseRepresentation
bin110111010101…
…010010010101
31000021221021021
4313111102111
512203130414
61234521141
7234201643
oct67252225
930257237
1014505109
1182079a3
124a361b1
13300b308
141cd8193
151417c24
hexdd5495

14505109 has 2 divisors, whose sum is σ = 14505110. Its totient is φ = 14505108.

The previous prime is 14505107. The next prime is 14505121. The reversal of 14505109 is 90150541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12802084 + 1703025 = 3578^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 14505109 - 21 = 14505107 is a prime.

Together with 14505107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14505107) 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, 7252554 + 7252555.

It is an arithmetic number, because the mean of its divisors is an integer number (7252555).

Almost surely, 214505109 is an apocalyptic number.

It is an amenable number.

14505109 is a deficient number, since it is larger than the sum of its proper divisors (1).

14505109 is an equidigital number, since it uses as much as digits as its factorization.

14505109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 14505109 is about 3808.5573384157. The cubic root of 14505109 is about 243.8785844466.

The spelling of 14505109 in words is "fourteen million, five hundred five thousand, one hundred nine".