280132 has 12 divisors (see below), whose sum is σ = 498960. Its totient is φ = 137576.
The previous prime is 280129. The next prime is 280139. The reversal of 280132 is 231082.
It is a happy number.
280132 is nontrivially palindromic in base 16.
280132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
280132 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.
280132 is a modest number, since divided by 132 gives 28 as remainder.
It is a plaindrome in base 7.
It is a zygodrome in base 7.
It is not an unprimeable number, because it can be changed into a prime (280139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358 + ... + 829.
It is an arithmetic number, because the mean of its divisors is an integer number (41580).
2280132 is an apocalyptic number.
It is an amenable number.
280132 is a deficient number, since it is larger than the sum of its proper divisors (218828).
280132 is a wasteful number, since it uses less digits than its factorization.
280132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1250 (or 1248 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 280132 is about 529.2749757924. The cubic root of 280132 is about 65.4316050828.
The spelling of 280132 in words is "two hundred eighty thousand, one hundred thirty-two".
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