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85484149 is a prime number
BaseRepresentation
bin1010001100001…
…10001001110101
312221212001012121
411012012021311
5133340443044
612252115541
72055413632
oct506061165
9187761177
1085484149
1144287563
1224765bb1
131493064a
14b4d3189
157788984
hex5186275

85484149 has 2 divisors, whose sum is σ = 85484150. Its totient is φ = 85484148.

The previous prime is 85484137. The next prime is 85484167. The reversal of 85484149 is 94148458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59013124 + 26471025 = 7682^2 + 5145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85484149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85482149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42742074 + 42742075.

It is an arithmetic number, because the mean of its divisors is an integer number (42742075).

Almost surely, 285484149 is an apocalyptic number.

It is an amenable number.

85484149 is a deficient number, since it is larger than the sum of its proper divisors (1).

85484149 is an equidigital number, since it uses as much as digits as its factorization.

85484149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 43.

The square root of 85484149 is about 9245.7638408084. The cubic root of 85484149 is about 440.5161796827.

The spelling of 85484149 in words is "eighty-five million, four hundred eighty-four thousand, one hundred forty-nine".