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14664223 = 76731267
BaseRepresentation
bin110111111100…
…001000011111
31000121000112101
4313330020133
512223223343
61242145531
7235433560
oct67741037
930530471
1014664223
1183064a2
124ab22a7
133065872
141d3a167
151449e4d
hexdfc21f

14664223 has 8 divisors (see below), whose sum is σ = 17009792. Its totient is φ = 12381336.

The previous prime is 14664197. The next prime is 14664229. The reversal of 14664223 is 32246641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14664223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14664191 and 14664200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14664229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15165 + ... + 16102.

It is an arithmetic number, because the mean of its divisors is an integer number (2126224).

Almost surely, 214664223 is an apocalyptic number.

14664223 is a deficient number, since it is larger than the sum of its proper divisors (2345569).

14664223 is an equidigital number, since it uses as much as digits as its factorization.

14664223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31341.

The product of its digits is 6912, while the sum is 28.

The square root of 14664223 is about 3829.3893769112. The cubic root of 14664223 is about 244.7670867134.

The spelling of 14664223 in words is "fourteen million, six hundred sixty-four thousand, two hundred twenty-three".

Divisors: 1 7 67 469 31267 218869 2094889 14664223