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17214223 = 131324171
BaseRepresentation
bin100000110101…
…0101100001111
31012101120110211
41001222230033
513401323343
61412543251
7266214145
oct101525417
935346424
1017214223
119798334
125921b27
133749440
142401595
1517a079d
hex106ab0f

17214223 has 4 divisors (see below), whose sum is σ = 18538408. Its totient is φ = 15890040.

The previous prime is 17214221. The next prime is 17214227. The reversal of 17214223 is 32241271.

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

It is a cyclic number.

It is not a de Polignac number, because 17214223 - 21 = 17214221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17214194 and 17214203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17214221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662073 + ... + 662098.

It is an arithmetic number, because the mean of its divisors is an integer number (4634602).

Almost surely, 217214223 is an apocalyptic number.

17214223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

17214223 is a deficient number, since it is larger than the sum of its proper divisors (1324185).

17214223 is a wasteful number, since it uses less digits than its factorization.

17214223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324184.

The product of its digits is 672, while the sum is 22.

The square root of 17214223 is about 4149.0026512404. The cubic root of 17214223 is about 258.2037080749.

Subtracting from 17214223 its sum of digits (22), we obtain a square (17214201 = 41492).

Adding to 17214223 its reverse (32241271), we get a palindrome (49455494).

The spelling of 17214223 in words is "seventeen million, two hundred fourteen thousand, two hundred twenty-three".

Divisors: 1 13 1324171 17214223