252432 has 30 divisors (see below), whose sum is σ = 706862. Its totient is φ = 84096.
The previous prime is 252431. The next prime is 252443. The reversal of 252432 is 234252.
It can be written as a sum of positive squares in only one way, i.e., 147456 + 104976 = 384^2 + 324^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (252431) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 733 + ... + 1020.
2252432 is an apocalyptic number.
It is an amenable number.
252432 is an abundant number, since it is smaller than the sum of its proper divisors (454430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252432 is a wasteful number, since it uses less digits than its factorization.
252432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1767 (or 1758 counting only the distinct ones).
The product of its digits is 480, while the sum is 18.
The square root of 252432 is about 502.4261139710. The cubic root of 252432 is about 63.1996688548.
Adding to 252432 its reverse (234252), we get a palindrome (486684).
It can be divided in two parts, 2524 and 32, that added together give a triangular number (2556 = T71).
The spelling of 252432 in words is "two hundred fifty-two thousand, four hundred thirty-two".
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