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675943 = 2512693
BaseRepresentation
bin10100101000001100111
31021100012221
42211001213
5133112233
622253211
75513452
oct2450147
91240187
10675943
11421934
12287207
131a8888
14138499
15d542d
hexa5067

675943 has 4 divisors (see below), whose sum is σ = 678888. Its totient is φ = 673000.

The previous prime is 675931. The next prime is 675959. The reversal of 675943 is 349576.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-675943 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 675899 and 675908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (169722).

2675943 is an apocalyptic number.

675943 is a deficient number, since it is larger than the sum of its proper divisors (2945).

675943 is a wasteful number, since it uses less digits than its factorization.

675943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944.

The product of its digits is 22680, while the sum is 34.

The square root of 675943 is about 822.1575274848. The cubic root of 675943 is about 87.7613627491.

The spelling of 675943 in words is "six hundred seventy-five thousand, nine hundred forty-three".

Divisors: 1 251 2693 675943