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2871233 is a prime number
BaseRepresentation
bin1010111100111111000001
312101212120222
422330333001
51213334413
6141312425
733255641
oct12747701
95355528
102871233
111691222
12b65715
13796b71
1454a521
153bab08
hex2bcfc1

2871233 has 2 divisors, whose sum is σ = 2871234. Its totient is φ = 2871232.

The previous prime is 2871227. The next prime is 2871257. The reversal of 2871233 is 3321782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 142129 = 1652^2 + 377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2871233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2871293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435616 + 1435617.

It is an arithmetic number, because the mean of its divisors is an integer number (1435617).

22871233 is an apocalyptic number.

It is an amenable number.

2871233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871233 is an equidigital number, since it uses as much as digits as its factorization.

2871233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 2871233 is about 1694.4713039766. The cubic root of 2871233 is about 142.1312183885.

The spelling of 2871233 in words is "two million, eight hundred seventy-one thousand, two hundred thirty-three".