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282 = 2347

282 has 8 divisors (see below), whose sum is σ = 576. Its totient is φ = 92.

The previous prime is 281. The next prime is 283.

282 is nontrivially palindromic in base 5, base 9 and base 10.

282 is an esthetic number in base 8 and base 9, because in such bases it adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (281) and next prime (283).

It is a sphenic number, since it is the product of 3 distinct primes.

282 is an admirable number.

It is an Ulam number.

282 is an undulating number in base 9 and base 10.

It is a plaindrome in base 11, base 13, base 15 and base 16.

It is a nialpdrome in base 7 and base 8.

It is not an unprimeable number, because it can be changed into a prime (281) 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, 18 + ... + 29.

It is an arithmetic number, because the mean of its divisors is an integer number (72).

282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (288).

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

282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52.

The product of its digits is 32, while the sum is 12.

The square root of 282 is about 16.7928556237. The cubic root of 282 is about 6.5576721862.

The spelling of 282 in words is "two hundred eighty-two", and is thus an aban number.

Divisors: 1 2 3 6 47 94 141 282