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12200471 is a prime number
BaseRepresentation
bin101110100010…
…101000010111
3211221211220022
4232202220113
511110403341
61113255355
7205462613
oct56425027
924854808
1012200471
116983438
12410455b
1326b231a
141898343
15110ee4b
hexba2a17

12200471 has 2 divisors, whose sum is σ = 12200472. Its totient is φ = 12200470.

The previous prime is 12200443. The next prime is 12200477. The reversal of 12200471 is 17400221.

12200471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12200471 is a prime.

It is a super-3 number, since 3×122004713 (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100235 + 6100236.

It is an arithmetic number, because the mean of its divisors is an integer number (6100236).

Almost surely, 212200471 is an apocalyptic number.

12200471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200471 is an equidigital number, since it uses as much as digits as its factorization.

12200471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12200471 is about 3492.9172621177. The cubic root of 12200471 is about 230.2107142678.

Adding to 12200471 its reverse (17400221), we get a palindrome (29600692).

The spelling of 12200471 in words is "twelve million, two hundred thousand, four hundred seventy-one".