If $\phi(n)$ represents Euler's totient

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Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Numbers, Quantification and Numerical Applications

Question:

If $\phi(n)$ represents Euler's totient function then $\phi(432)$ is:

Options:

144

216

288

108

Correct Answer:

144

Explanation:

The correct answer is Option (1) → 144