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14187669 = 34729223
BaseRepresentation
bin110110000111…
…110010010101
3222200210211020
4312013302111
512113001134
61224031353
7231410316
oct66076225
928623736
1014187669
118010451
124902559
132c29992
141c5460d
1513a3b49
hexd87c95

14187669 has 4 divisors (see below), whose sum is σ = 18916896. Its totient is φ = 9458444.

The previous prime is 14187659. The next prime is 14187703. The reversal of 14187669 is 96678141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14187669 - 27 = 14187541 is a prime.

It is a super-2 number, since 2×141876692 = 402579903307122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14187669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14187629) 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, 2364609 + ... + 2364614.

It is an arithmetic number, because the mean of its divisors is an integer number (4729224).

Almost surely, 214187669 is an apocalyptic number.

It is an amenable number.

14187669 is a deficient number, since it is larger than the sum of its proper divisors (4729227).

14187669 is an equidigital number, since it uses as much as digits as its factorization.

14187669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729226.

The product of its digits is 72576, while the sum is 42.

The square root of 14187669 is about 3766.6522271110. The cubic root of 14187669 is about 242.0863760604.

The spelling of 14187669 in words is "fourteen million, one hundred eighty-seven thousand, six hundred sixty-nine".

Divisors: 1 3 4729223 14187669