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12328171 = 53232607
BaseRepresentation
bin101111000001…
…110011101011
3212012100001221
4233001303223
511124000141
61120122511
7206534122
oct57016353
925170057
1012328171
116a60379
124166437
13272849b
1418ccab9
151137bd1
hexbc1ceb

12328171 has 4 divisors (see below), whose sum is σ = 12560832. Its totient is φ = 12095512.

The previous prime is 12328163. The next prime is 12328177. The reversal of 12328171 is 17182321.

It is a happy number.

12328171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12328171 - 23 = 12328163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12328177) 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, 116251 + ... + 116356.

It is an arithmetic number, because the mean of its divisors is an integer number (3140208).

Almost surely, 212328171 is an apocalyptic number.

12328171 is a deficient number, since it is larger than the sum of its proper divisors (232661).

12328171 is an equidigital number, since it uses as much as digits as its factorization.

12328171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232660.

The product of its digits is 672, while the sum is 25.

The square root of 12328171 is about 3511.1495268644. The cubic root of 12328171 is about 231.0111186967.

The spelling of 12328171 in words is "twelve million, three hundred twenty-eight thousand, one hundred seventy-one".

Divisors: 1 53 232607 12328171