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683669 = 7101967
BaseRepresentation
bin10100110111010010101
31021201211002
42212322111
5133334134
622353045
75545130
oct2467225
91251732
10683669
11427718
1228b785
131ac24c
1413b217
15d787e
hexa6e95

683669 has 8 divisors (see below), whose sum is σ = 789888. Its totient is φ = 579600.

The previous prime is 683653. The next prime is 683681. The reversal of 683669 is 966386.

It is a happy number.

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

It is not a de Polignac number, because 683669 - 24 = 683653 is a prime.

It is a super-2 number, since 2×6836692 = 934806603122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224 + ... + 1190.

It is an arithmetic number, because the mean of its divisors is an integer number (98736).

2683669 is an apocalyptic number.

It is an amenable number.

683669 is a deficient number, since it is larger than the sum of its proper divisors (106219).

683669 is a wasteful number, since it uses less digits than its factorization.

683669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its digits is 46656, while the sum is 38.

The square root of 683669 is about 826.8427903780. The cubic root of 683669 is about 88.0944663932.

The spelling of 683669 in words is "six hundred eighty-three thousand, six hundred sixty-nine".

Divisors: 1 7 101 707 967 6769 97667 683669