231472 has 40 divisors (see below), whose sum is σ = 508896. Its totient is φ = 101376.
The previous prime is 231463. The next prime is 231479. The reversal of 231472 is 274132.
231472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a plaindrome in base 11.
It is not an unprimeable number, because it can be changed into a prime (231479) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6238 + ... + 6274.
2231472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254448).
231472 is an abundant number, since it is smaller than the sum of its proper divisors (277424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231472 is a wasteful number, since it uses less digits than its factorization.
231472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85 (or 79 counting only the distinct ones).
The product of its digits is 336, while the sum is 19.
The square root of 231472 is about 481.1153707792. The cubic root of 231472 is about 61.3996866441.
It can be divided in two parts, 231 and 472, that added together give a triangular number (703 = T37).
The spelling of 231472 in words is "two hundred thirty-one thousand, four hundred seventy-two".
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