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12041985 = 35802799
BaseRepresentation
bin101101111011…
…111100000001
3211122210111110
4231323330001
511040320420
61110033533
7204232554
oct55737401
924583443
1012041985
11688535a
1240488a9
132658147
14185669b
1510ccee0
hexb7bf01

12041985 has 8 divisors (see below), whose sum is σ = 19267200. Its totient is φ = 6422384.

The previous prime is 12041957. The next prime is 12041999. The reversal of 12041985 is 58914021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12041985 - 26 = 12041921 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401385 + ... + 401414.

It is an arithmetic number, because the mean of its divisors is an integer number (2408400).

Almost surely, 212041985 is an apocalyptic number.

12041985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12041985 is a deficient number, since it is larger than the sum of its proper divisors (7225215).

12041985 is an equidigital number, since it uses as much as digits as its factorization.

12041985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802807.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 12041985 is about 3470.1563365359. The cubic root of 12041985 is about 229.2095423175.

The spelling of 12041985 in words is "twelve million, forty-one thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 802799 2408397 4013995 12041985