Fogcreek unhash (http://www.fogcreek.com/Jobs/Dev/)

fogunhash.py

def unhash(h):
    s = ''
    letters = 'acdegilmnoprstuw'

    while h > 7:
        v = h % 37
        s = letters[v] + s
        h /= 37

    return s

if __name__ == '__main__':
    from sys import argv
    print unhash(int(argv[1]))