Number Gossip

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Unique Properties of 228

  • 228 is the smallest number for which the harmonic mean of its nontrivial unitary divisors is an integer (3, 4, 12, 19, 57, and 76 are nontrivial unitary divisor and their harmonic mean is 8)
  • The binary form of 228 contains all the two digit binary strings in sequence from highest to lowest

Common Properties of 228

Abundant
Composite
Even
Evil
Practical