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14660309 is a prime number
BaseRepresentation
bin110111111011…
…001011010101
31000120211011102
4313323023111
512223112214
61242115445
7235416266
oct67731325
930524142
1014660309
118303564
124aabb85
133063b51
141d3896d
151448bde
hexdfb2d5

14660309 has 2 divisors, whose sum is σ = 14660310. Its totient is φ = 14660308.

The previous prime is 14660297. The next prime is 14660323. The reversal of 14660309 is 90306641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14326225 + 334084 = 3785^2 + 578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14660309 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14660389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7330154 + 7330155.

It is an arithmetic number, because the mean of its divisors is an integer number (7330155).

Almost surely, 214660309 is an apocalyptic number.

It is an amenable number.

14660309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14660309 is an equidigital number, since it uses as much as digits as its factorization.

14660309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 14660309 is about 3828.8782952713. The cubic root of 14660309 is about 244.7453080024.

The spelling of 14660309 in words is "fourteen million, six hundred sixty thousand, three hundred nine".