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12200486 = 218133703
BaseRepresentation
bin101110100010…
…101000100110
3211221211220212
4232202220212
511110403421
61113255422
7205462634
oct56425046
924854825
1012200486
116983451
124104572
1326b232c
141898354
15110ee5b
hexba2a26

12200486 has 8 divisors (see below), whose sum is σ = 18402384. Its totient is φ = 6066360.

The previous prime is 12200483. The next prime is 12200521. The reversal of 12200486 is 68400221.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16490 + ... + 17213.

It is an arithmetic number, because the mean of its divisors is an integer number (2300298).

Almost surely, 212200486 is an apocalyptic number.

12200486 is a deficient number, since it is larger than the sum of its proper divisors (6201898).

12200486 is a wasteful number, since it uses less digits than its factorization.

12200486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33886.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12200486 is about 3492.9194093194. The cubic root of 12200486 is about 230.2108086128.

The spelling of 12200486 in words is "twelve million, two hundred thousand, four hundred eighty-six".

Divisors: 1 2 181 362 33703 67406 6100243 12200486