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14189365 = 52837873
BaseRepresentation
bin110110001000…
…001100110101
3222200220011001
4312020030311
512113024430
61224043301
7231415261
oct66101465
928626131
1014189365
118011753
124903531
132c2a698
141c550a1
1513a43ca
hexd88335

14189365 has 4 divisors (see below), whose sum is σ = 17027244. Its totient is φ = 11351488.

The previous prime is 14189363. The next prime is 14189369. The reversal of 14189365 is 56398141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56398141 = 409913759.

It can be written as a sum of positive squares in 2 ways, for example, as 7969329 + 6220036 = 2823^2 + 2494^2 .

It is a cyclic number.

It is not a de Polignac number, because 14189365 - 21 = 14189363 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 (14189363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418932 + ... + 1418941.

It is an arithmetic number, because the mean of its divisors is an integer number (4256811).

Almost surely, 214189365 is an apocalyptic number.

It is an amenable number.

14189365 is a deficient number, since it is larger than the sum of its proper divisors (2837879).

14189365 is an equidigital number, since it uses as much as digits as its factorization.

14189365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837878.

The product of its digits is 25920, while the sum is 37.

The square root of 14189365 is about 3766.8773539896. The cubic root of 14189365 is about 242.0960220455.

The spelling of 14189365 in words is "fourteen million, one hundred eighty-nine thousand, three hundred sixty-five".

Divisors: 1 5 2837873 14189365