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200003213 is a prime number
BaseRepresentation
bin10111110101111…
…00111010001101
3111221100012211102
423322330322031
5402200100323
631502432445
74645666514
oct1372747215
9457305742
10200003213
11a2995413
1256b92725
13325888c7
141c7c367b
151285a328
hexbebce8d

200003213 has 2 divisors, whose sum is σ = 200003214. Its totient is φ = 200003212.

The previous prime is 200003197. The next prime is 200003231. The reversal of 200003213 is 312300002.

Together with next prime (200003231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160224964 + 39778249 = 12658^2 + 6307^2 .

It is a cyclic number.

It is not a de Polignac number, because 200003213 - 24 = 200003197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200003194 and 200003203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200002213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100001606 + 100001607.

It is an arithmetic number, because the mean of its divisors is an integer number (100001607).

Almost surely, 2200003213 is an apocalyptic number.

It is an amenable number.

200003213 is a deficient number, since it is larger than the sum of its proper divisors (1).

200003213 is an equidigital number, since it uses as much as digits as its factorization.

200003213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 200003213 is about 14142.2492199791. The cubic root of 200003213 is about 584.8066792488.

Adding to 200003213 its reverse (312300002), we get a palindrome (512303215).

The spelling of 200003213 in words is "two hundred million, three thousand, two hundred thirteen".