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2823889 is a prime number
BaseRepresentation
bin1010110001011011010001
312022110122111
422301123101
51210331024
6140305321
733000625
oct12613321
95273574
102823889
1116596a2
12b42241
1377b453
14537185
153aba94
hex2b16d1

2823889 has 2 divisors, whose sum is σ = 2823890. Its totient is φ = 2823888.

The previous prime is 2823869. The next prime is 2823911. The reversal of 2823889 is 9883282.

2823889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1710864 + 1113025 = 1308^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2823889 - 25 = 2823857 is a prime.

It is a super-4 number, since 4×28238894 (a number of 27 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (2823809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411944 + 1411945.

It is an arithmetic number, because the mean of its divisors is an integer number (1411945).

22823889 is an apocalyptic number.

It is an amenable number.

2823889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2823889 is an equidigital number, since it uses as much as digits as its factorization.

2823889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 2823889 is about 1680.4430963291. The cubic root of 2823889 is about 141.3456803372.

The spelling of 2823889 in words is "two million, eight hundred twenty-three thousand, eight hundred eighty-nine".