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680086 = 211191627
BaseRepresentation
bin10100110000010010110
31021112220101
42212002112
5133230321
622324314
75531521
oct2460226
91245811
10680086
11424a60
1228969a
131aa724
14139bb8
15d6791
hexa6096

680086 has 16 divisors (see below), whose sum is σ = 1172160. Its totient is φ = 292680.

The previous prime is 680083. The next prime is 680107.

680086 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (73260).

2680086 is an apocalyptic number.

680086 is a deficient number, since it is larger than the sum of its proper divisors (492074).

680086 is a wasteful number, since it uses less digits than its factorization.

680086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 680086 is about 824.6732686343. The cubic root of 680086 is about 87.9403004178.

It can be divided in two parts, 6800 and 86, that added together give a palindrome (6886).

The spelling of 680086 in words is "six hundred eighty thousand, eighty-six".