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682 = 21131
BaseRepresentation
bin1010101010
3221021
422222
510212
63054
71663
oct1252
9837
10682
11570
1248a
13406
1436a
15307
hex2aa

682 has 8 divisors (see below), whose sum is σ = 1152. Its totient is φ = 300.

The previous prime is 677. The next prime is 683. The reversal of 682 is 286.

Subtracting from 682 its sum of digits (16), we obtain a palindrome (666).

It can be divided in two parts, 68 and 2, that multiplied together give a triangular number (136 = T16).

682 is nontrivially palindromic in base 4.

682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

682 is an esthetic number in base 2, because in such base its adjacent digits differ by 1.

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

682 is an undulating number in base 2.

682 is a nontrivial repdigit in base 4.

It is a plaindrome in base 4, base 12, base 14 and base 16.

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (683) by changing a digit.

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, 7 + ... + 37.

It is an arithmetic number, because the mean of its divisors is an integer number (144).

682 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

682 is a deficient number, since it is larger than the sum of its proper divisors (470).

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

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

The sum of its prime factors is 44.

The product of its digits is 96, while the sum is 16.

The square root of 682 is about 26.1151297144. The cubic root of 682 is about 8.8022721406.

The spelling of 682 in words is "six hundred eighty-two", and thus it is an aban number.

Divisors: 1 2 11 22 31 62 341 682