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14718205 = 52943641
BaseRepresentation
bin111000001001…
…010011111101
31000200202120201
4320021103331
512231440310
61243243501
7236050135
oct70112375
930622521
1014718205
118343007
124b19591
1330842c8
141d51ac5
15145ae3a
hexe094fd

14718205 has 4 divisors (see below), whose sum is σ = 17661852. Its totient is φ = 11774560.

The previous prime is 14718203. The next prime is 14718227. The reversal of 14718205 is 50281741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50281741 = 154332587.

It can be written as a sum of positive squares in 2 ways, for example, as 2229049 + 12489156 = 1493^2 + 3534^2 .

It is not a de Polignac number, because 14718205 - 21 = 14718203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14718203) 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, 1471816 + ... + 1471825.

It is an arithmetic number, because the mean of its divisors is an integer number (4415463).

Almost surely, 214718205 is an apocalyptic number.

It is an amenable number.

14718205 is a deficient number, since it is larger than the sum of its proper divisors (2943647).

14718205 is an equidigital number, since it uses as much as digits as its factorization.

14718205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943646.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 14718205 is about 3836.4312844100. The cubic root of 14718205 is about 245.0670648002.

Adding to 14718205 its reverse (50281741), we get a palindrome (64999946).

The spelling of 14718205 in words is "fourteen million, seven hundred eighteen thousand, two hundred five".

Divisors: 1 5 2943641 14718205