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675683 = 821823
BaseRepresentation
bin10100100111101100011
31021022212022
42210331203
5133110213
622252055
75512631
oct2447543
91238768
10675683
11421718
1228702b
131a8718
14138351
15d5308
hexa4f63

675683 has 4 divisors (see below), whose sum is σ = 677328. Its totient is φ = 674040.

The previous prime is 675643. The next prime is 675713. The reversal of 675683 is 386576.

It is a happy number.

It is a Cunningham number, because it is equal to 8222-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 675683 - 214 = 659299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675643) 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 3 ways as a sum of consecutive naturals, for example, 410 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (169332).

2675683 is an apocalyptic number.

675683 is a deficient number, since it is larger than the sum of its proper divisors (1645).

675683 is an equidigital number, since it uses as much as digits as its factorization.

675683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its digits is 30240, while the sum is 35.

The square root of 675683 is about 821.9993917273. Note that the first 3 decimals coincide. The cubic root of 675683 is about 87.7501089005.

The spelling of 675683 in words is "six hundred seventy-five thousand, six hundred eighty-three".

Divisors: 1 821 823 675683