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12182286 = 232030381
BaseRepresentation
bin101110011110…
…001100001110
3211220220221210
4232132030032
511104313121
61113035250
7205355604
oct56361416
924826853
1012182286
116970806
1240b5b26
1326a6c6c
141891874
151109876
hexb9e30e

12182286 has 8 divisors (see below), whose sum is σ = 24364584. Its totient is φ = 4060760.

The previous prime is 12182281. The next prime is 12182321. The reversal of 12182286 is 68228121.

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

12182286 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12182281) 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, 1015185 + ... + 1015196.

It is an arithmetic number, because the mean of its divisors is an integer number (3045573).

Almost surely, 212182286 is an apocalyptic number.

12182286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12182286 is a wasteful number, since it uses less digits than its factorization.

12182286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030386.

The product of its digits is 3072, while the sum is 30.

The square root of 12182286 is about 3490.3131664652. The cubic root of 12182286 is about 230.0962797917.

The spelling of 12182286 in words is "twelve million, one hundred eighty-two thousand, two hundred eighty-six".

Divisors: 1 2 3 6 2030381 4060762 6091143 12182286