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676685256 = 233132168863
BaseRepresentation
bin101000010101010…
…110010111001000
31202011022011122220
4220111112113020
52341212412011
6151051414040
722524505212
oct5025262710
91664264586
10676685256
11317a75715
1216a754320
13aa2682a0
1465c295b2
153e619506
hex285565c8

676685256 has 32 divisors (see below), whose sum is σ = 1821845760. Its totient is φ = 208210752.

The previous prime is 676685237. The next prime is 676685257. The reversal of 676685256 is 652586676.

It is a junction number, because it is equal to n+sod(n) for n = 676685199 and 676685208.

It is not an unprimeable number, because it can be changed into a prime (676685257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084120 + ... + 1084743.

It is an arithmetic number, because the mean of its divisors is an integer number (56932680).

Almost surely, 2676685256 is an apocalyptic number.

It is an amenable number.

676685256 is an abundant number, since it is smaller than the sum of its proper divisors (1145160504).

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

676685256 is a wasteful number, since it uses less digits than its factorization.

676685256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168885 (or 2168881 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The square root of 676685256 is about 26013.1746620823. The cubic root of 676685256 is about 877.9347471149.

The spelling of 676685256 in words is "six hundred seventy-six million, six hundred eighty-five thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 2168863 4337726 6506589 8675452 13013178 17350904 26026356 28195219 52052712 56390438 84585657 112780876 169171314 225561752 338342628 676685256