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12200383 = 13938491
BaseRepresentation
bin101110100010…
…100110111111
3211221211210001
4232202212333
511110403013
61113255131
7205462426
oct56424677
924854701
1012200383
116983368
1241044a7
1326b2280
1418982bd
15110eddd
hexba29bf

12200383 has 4 divisors (see below), whose sum is σ = 13138888. Its totient is φ = 11261880.

The previous prime is 12200371. The next prime is 12200399. The reversal of 12200383 is 38300221.

It is a happy number.

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 12200383 - 25 = 12200351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12200383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200303) 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, 469233 + ... + 469258.

It is an arithmetic number, because the mean of its divisors is an integer number (3284722).

Almost surely, 212200383 is an apocalyptic number.

12200383 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12200383 is a deficient number, since it is larger than the sum of its proper divisors (938505).

12200383 is an equidigital number, since it uses as much as digits as its factorization.

12200383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938504.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12200383 is about 3492.9046651748. The cubic root of 12200383 is about 230.2101607757.

The spelling of 12200383 in words is "twelve million, two hundred thousand, three hundred eighty-three".

Divisors: 1 13 938491 12200383