The Fog Creek Dev Application Challenge @ http://www.fogcreek.com/Jobs/Dev/

fogcreek_apply.rb

hash = 910897038977002
letters = "acdegilmnoprstuw"
answer = ""

9.times do |x| #9 letter string loop
    
  remainder = hash % 37 #get the remainder for lookup
  answer = answer + letters[remainder] #add letter to the answer
   
  hash = (hash - remainder) / 37 #now we're evenly divisible 
end

puts answer.reverse