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BaseRepresentation
bin111100111010001101011
310202101211121
413213101223
51002332013
6110440111
722651621
oct7472153
93671747
101995883
11114359a
12803037
1354b5c6
1439d511
1529658d
hex1e746b

1995883 has 2 divisors, whose sum is σ = 1995884. Its totient is φ = 1995882.

The previous prime is 1995869. The next prime is 1995913. The reversal of 1995883 is 3885991.

It is a weak prime.

It is an emirp because it is prime and its reverse (3885991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1995883 is a prime.

It is a d-powerful number, because it can be written as 1 + 93 + 94 + 59 + 83 + 85 + 37 .

It is not a weakly prime, because it can be changed into another prime (1995083) 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, 997941 + 997942.

It is an arithmetic number, because the mean of its divisors is an integer number (997942).

21995883 is an apocalyptic number.

1995883 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995883 is an equidigital number, since it uses as much as digits as its factorization.

1995883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 43.

The square root of 1995883 is about 1412.7572332145. The cubic root of 1995883 is about 125.9055940187.

The spelling of 1995883 in words is "one million, nine hundred ninety-five thousand, eight hundred eighty-three".