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680933 = 11103601
BaseRepresentation
bin10100110001111100101
31021121001202
42212033211
5133242213
622332245
75534141
oct2461745
91247052
10680933
11425660
1228a085
131aac26
1413a221
15d6b58
hexa63e5

680933 has 8 divisors (see below), whose sum is σ = 751296. Its totient is φ = 612000.

The previous prime is 680929. The next prime is 680959. The reversal of 680933 is 339086.

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

It is a cyclic number.

It is not a de Polignac number, because 680933 - 22 = 680929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 680896 and 680905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680993) 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, 833 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (93912).

2680933 is an apocalyptic number.

It is an amenable number.

680933 is a deficient number, since it is larger than the sum of its proper divisors (70363).

680933 is a wasteful number, since it uses less digits than its factorization.

680933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 680933 is about 825.1866455536. The cubic root of 680933 is about 87.9767931230.

The spelling of 680933 in words is "six hundred eighty thousand, nine hundred thirty-three".

Divisors: 1 11 103 601 1133 6611 61903 680933