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2144213 is a prime number
BaseRepresentation
bin1000001011011111010101
311000221022022
420023133111
51022103323
6113542525
724140231
oct10133725
94027268
102144213
111234a85
12874a45
135a0c86
143db5c1
152c54c8
hex20b7d5

2144213 has 2 divisors, whose sum is σ = 2144214. Its totient is φ = 2144212.

The previous prime is 2144209. The next prime is 2144243. The reversal of 2144213 is 3124412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 3844 = 1463^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144213 - 22 = 2144209 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 213 + 1 + 45 + 47 + 219 + 1 + 313 .

It is a junction number, because it is equal to n+sod(n) for n = 2144191 and 2144200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072106 + 1072107.

It is an arithmetic number, because the mean of its divisors is an integer number (1072107).

22144213 is an apocalyptic number.

It is an amenable number.

2144213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144213 is an equidigital number, since it uses as much as digits as its factorization.

2144213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 17.

The square root of 2144213 is about 1464.3131495688. The cubic root of 2144213 is about 128.9503845411.

Adding to 2144213 its reverse (3124412), we get a palindrome (5268625).

The spelling of 2144213 in words is "two million, one hundred forty-four thousand, two hundred thirteen".