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82452 = 2236871
BaseRepresentation
bin10100001000010100
311012002210
4110020110
510114302
61433420
7462246
oct241024
9135083
1082452
1156a47
123b870
132b6b6
1422096
151966c
hex14214

82452 has 12 divisors (see below), whose sum is σ = 192416. Its totient is φ = 27480.

The previous prime is 82421. The next prime is 82457. The reversal of 82452 is 25428.

Added to its reverse (25428) it gives a triangular number (107880 = T464).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82457) by changing a digit.

82452 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3424 + ... + 3447.

282452 is an apocalyptic number.

It is an amenable number.

82452 is an abundant number, since it is smaller than the sum of its proper divisors (109964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96208).

82452 is a wasteful number, since it uses less digits than its factorization.

82452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878 (or 6876 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 82452 is about 287.1445628947. The cubic root of 82452 is about 43.5244940663.

Adding to 82452 its reverse (25428), we get a triangular number (107880 = T464).

The spelling of 82452 in words is "eighty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 6871 13742 20613 27484 41226 82452