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2146213 is a prime number
BaseRepresentation
bin1000001011111110100101
311001001001101
420023332211
51022134323
6114000101
724146116
oct10137645
94031041
102146213
111236533
12876031
135a1b64
143dc20d
152c5dad
hex20bfa5

2146213 has 2 divisors, whose sum is σ = 2146214. Its totient is φ = 2146212.

The previous prime is 2146201. The next prime is 2146219. The reversal of 2146213 is 3126412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 20449 = 1458^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146213 - 25 = 2146181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073106 + 1073107.

It is an arithmetic number, because the mean of its divisors is an integer number (1073107).

22146213 is an apocalyptic number.

It is an amenable number.

2146213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146213 is an equidigital number, since it uses as much as digits as its factorization.

2146213 is an evil number, because the sum of its binary digits is even.

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

The square root of 2146213 is about 1464.9959044311. The cubic root of 2146213 is about 128.9904646118.

The spelling of 2146213 in words is "two million, one hundred forty-six thousand, two hundred thirteen".