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1085373049 is a prime number
BaseRepresentation
bin100000010110001…
…0111101001111001
32210122022122220211
41000230113221321
54210323414144
6255411151121
735616342625
oct10054275171
92718278824
101085373049
11507734922
122635a54a1
13143b2c097
14a4212185
1565447034
hex40b17a79

1085373049 has 2 divisors, whose sum is σ = 1085373050. Its totient is φ = 1085373048.

The previous prime is 1085373017. The next prime is 1085373089. The reversal of 1085373049 is 9403735801.

It is an a-pointer prime, because the next prime (1085373089) can be obtained adding 1085373049 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 975437824 + 109935225 = 31232^2 + 10485^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085373049 - 25 = 1085373017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1085373089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542686524 + 542686525.

It is an arithmetic number, because the mean of its divisors is an integer number (542686525).

Almost surely, 21085373049 is an apocalyptic number.

It is an amenable number.

1085373049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085373049 is an equidigital number, since it uses as much as digits as its factorization.

1085373049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1085373049 is about 32945.0003642434. Note that the first 3 decimals coincide. The cubic root of 1085373049 is about 1027.6841957792.

The spelling of 1085373049 in words is "one billion, eighty-five million, three hundred seventy-three thousand, forty-nine".