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676986 = 23112831
BaseRepresentation
bin10100101010001111010
31021101122120
42211101322
5133130421
622302110
75516502
oct2452172
91241576
10676986
114226a2
12287936
131a91ab
14138a02
15d58c6
hexa547a

676986 has 8 divisors (see below), whose sum is σ = 1353984. Its totient is φ = 225660.

The previous prime is 676981. The next prime is 676987. The reversal of 676986 is 689676.

It is a happy number.

676986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

676986 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (676981) 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, 56410 + ... + 56421.

It is an arithmetic number, because the mean of its divisors is an integer number (169248).

2676986 is an apocalyptic number.

676986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676986 is a wasteful number, since it uses less digits than its factorization.

676986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112836.

The product of its digits is 108864, while the sum is 42.

The square root of 676986 is about 822.7915896507. The cubic root of 676986 is about 87.8064790095.

The spelling of 676986 in words is "six hundred seventy-six thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 112831 225662 338493 676986