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Number 45

Prime factorization

Factorization 3 * 3 * 5
Divisors 1, 3, 5, 9, 15, 45
Count of divisors 6
Sum of divisors 78

Basic properties

Is prime? × NO
Previous integer 44
Next integer 46
Previous prime number 43
Next prime number 47
Reciprocal 0.022222222222222
Square 2025
Square root 6.7082039324993685
Natural logarithm 3.80666248977032
Decimal logarithm 1.6532125137753435
Sine 0.8509035245341184
Cosine 0.5253219888177297
Tangent 1.6197751905438615

Expressions

Binary 101101
Octal 55
Hexadecimal 2d