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2003213 is a prime number
BaseRepresentation
bin111101001000100001101
310202202220002
413221010031
51003100323
6110534045
723012162
oct7510415
93682802
102003213
111149053
12807325
13551a44
143a2069
15298828
hex1e910d

2003213 has 2 divisors, whose sum is σ = 2003214. Its totient is φ = 2003212.

The previous prime is 2003201. The next prime is 2003237. The reversal of 2003213 is 3123002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1898884 + 104329 = 1378^2 + 323^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003213 - 26 = 2003149 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003194 and 2003203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001606 + 1001607.

It is an arithmetic number, because the mean of its divisors is an integer number (1001607).

22003213 is an apocalyptic number.

It is an amenable number.

2003213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003213 is an equidigital number, since it uses as much as digits as its factorization.

2003213 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 2003213 is about 1415.3490735504. The cubic root of 2003213 is about 126.0595376644.

Adding to 2003213 its reverse (3123002), we get a palindrome (5126215).

The spelling of 2003213 in words is "two million, three thousand, two hundred thirteen".