232 (number)


232 is the natural number following 231 and preceding 233.
232 is both a central polygonal number and a cake number.
It is both a decagonal number and a centered 11-gonal number. It is also
a refactorable number,
a Motzkin sum,
an idoneal number,
and a noncototient.
232 is a telephone number: in a system of seven telephone users, there are 232 different ways of pairing up some of the users.
There are also exactly 232 different eight-vertex connected indifference graphs, and 232 bracelets with eight beads of one color and seven of another. Because this number has the form, it follows that there are exactly 232 different functions from a set of four elements to a proper subset of the same set.