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680010 = 235191193
BaseRepresentation
bin10100110000001001010
31021112210120
42212001022
5133230020
622324110
75531352
oct2460112
91245716
10680010
114249a1
12289636
131aa696
14139b62
15d6740
hexa604a

680010 has 32 divisors (see below), whose sum is σ = 1719360. Its totient is φ = 171648.

The previous prime is 680003. The next prime is 680027. The reversal of 680010 is 10086.

It is a super-3 number, since 3×6800103 = 943337616612003000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (53730).

2680010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859680).

680010 is an abundant number, since it is smaller than the sum of its proper divisors (1039350).

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

680010 is a wasteful number, since it uses less digits than its factorization.

680010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 680010 is about 824.6271884919. The cubic root of 680010 is about 87.9370245028.

Adding to 680010 its reverse (10086), we get a palindrome (690096).

The spelling of 680010 in words is "six hundred eighty thousand, ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 1193 2386 3579 5965 7158 11930 17895 22667 35790 45334 68001 113335 136002 226670 340005 680010