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Number 28728281

Prime factorization

Factorization 28728281
Divisors 1, 28728281
Count of divisors 2
Sum of divisors 28728282

Basic properties

Is prime? ◎ YES
It's 1783892th prime number.
Previous integer 28728280
Next integer 28728282
Previous prime number 28728277
Next prime number 28728307
Reciprocal 3.4808904e-8
Square 825314129214961
Square root 5359.876957542962
Natural logarithm 17.17339259623816
Decimal logarithm 7.458309640104392
Sine -0.4389064306248044
Cosine 0.8985327735570884
Tangent -0.4884701410358945

Expressions

Binary 1101101100101101111011001
Octal 155455731
Hexadecimal 1b65bd9