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14207705 = 52841541
BaseRepresentation
bin110110001100…
…101011011001
3222201211022022
4312030223121
512114121310
61224304225
7231522611
oct66145331
928654268
1014207705
118024506
124912075
132c35b35
141c5ba41
1513a9a55
hexd8cad9

14207705 has 4 divisors (see below), whose sum is σ = 17049252. Its totient is φ = 11366160.

The previous prime is 14207701. The next prime is 14207719. The reversal of 14207705 is 50770241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10291264 + 3916441 = 3208^2 + 1979^2 .

It is not a de Polignac number, because 14207705 - 22 = 14207701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14207701) 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 in 3 ways as a sum of consecutive naturals, for example, 1420766 + ... + 1420775.

It is an arithmetic number, because the mean of its divisors is an integer number (4262313).

Almost surely, 214207705 is an apocalyptic number.

It is an amenable number.

14207705 is a deficient number, since it is larger than the sum of its proper divisors (2841547).

14207705 is an equidigital number, since it uses as much as digits as its factorization.

14207705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841546.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 14207705 is about 3769.3109449872. The cubic root of 14207705 is about 242.2002815731.

Adding to 14207705 its reverse (50770241), we get a palindrome (64977946).

The spelling of 14207705 in words is "fourteen million, two hundred seven thousand, seven hundred five".

Divisors: 1 5 2841541 14207705