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675987 = 31317333
BaseRepresentation
bin10100101000010010011
31021100021120
42211002103
5133112422
622253323
75513544
oct2450223
91240246
10675987
11421974
12287243
131a88c0
141384cb
15d545c
hexa5093

675987 has 8 divisors (see below), whose sum is σ = 970704. Its totient is φ = 415968.

The previous prime is 675979. The next prime is 676007. The reversal of 675987 is 789576.

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

It is not a de Polignac number, because 675987 - 23 = 675979 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 675987.

It is not an unprimeable number, because it can be changed into a prime (675977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8628 + ... + 8705.

It is an arithmetic number, because the mean of its divisors is an integer number (121338).

2675987 is an apocalyptic number.

675987 is a deficient number, since it is larger than the sum of its proper divisors (294717).

675987 is a wasteful number, since it uses less digits than its factorization.

675987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17349.

The product of its digits is 105840, while the sum is 42.

The square root of 675987 is about 822.1842859116. The cubic root of 675987 is about 87.7632669610.

The spelling of 675987 in words is "six hundred seventy-five thousand, nine hundred eighty-seven".

Divisors: 1 3 13 39 17333 51999 225329 675987