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14655689 is a prime number
BaseRepresentation
bin110111111010…
…000011001001
31000120120211022
4313322003021
512222440224
61242042225
7235366646
oct67720311
930516738
1014655689
118300044
124aa9375
133061a09
141d36dcd
15144765e
hexdfa0c9

14655689 has 2 divisors, whose sum is σ = 14655690. Its totient is φ = 14655688.

The previous prime is 14655679. The next prime is 14655691. The reversal of 14655689 is 98655641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9815689 + 4840000 = 3133^2 + 2200^2 .

It is a cyclic number.

It is not a de Polignac number, because 14655689 - 216 = 14590153 is a prime.

It is a super-3 number, since 3×146556893 (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 14655691, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14655679) 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, 7327844 + 7327845.

It is an arithmetic number, because the mean of its divisors is an integer number (7327845).

Almost surely, 214655689 is an apocalyptic number.

It is an amenable number.

14655689 is a deficient number, since it is larger than the sum of its proper divisors (1).

14655689 is an equidigital number, since it uses as much as digits as its factorization.

14655689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 14655689 is about 3828.2749378800. The cubic root of 14655689 is about 244.7195958995.

The spelling of 14655689 in words is "fourteen million, six hundred fifty-five thousand, six hundred eighty-nine".