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12041886 = 2312715803
BaseRepresentation
bin101101111011…
…111010011110
3211122210100210
4231323322132
511040320021
61110033250
7204232353
oct55737236
924583323
1012041886
11688527a
124048826
13265809c
14185662a
1510cce76
hexb7be9e

12041886 has 16 divisors (see below), whose sum is σ = 24274944. Its totient is φ = 3982104.

The previous prime is 12041851. The next prime is 12041893. The reversal of 12041886 is 68814021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7140 + ... + 8663.

It is an arithmetic number, because the mean of its divisors is an integer number (1517184).

Almost surely, 212041886 is an apocalyptic number.

12041886 is an abundant number, since it is smaller than the sum of its proper divisors (12233058).

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

12041886 is a wasteful number, since it uses less digits than its factorization.

12041886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15935.

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

The square root of 12041886 is about 3470.1420720195. The cubic root of 12041886 is about 229.2089141872.

The spelling of 12041886 in words is "twelve million, forty-one thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 127 254 381 762 15803 31606 47409 94818 2006981 4013962 6020943 12041886