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676901680 = 245721337359
BaseRepresentation
bin101000010110001…
…011001100110000
31202011201011112121
4220112023030300
52341241323210
6151100204024
722526366200
oct5026131460
91664634477
10676901680
11318103284
1216a839614
13aa312950
1465c84400
153e65d6da
hex2858b330

676901680 has 240 divisors, whose sum is σ = 2030495040. Its totient is φ = 207857664.

The previous prime is 676901669. The next prime is 676901681. The reversal of 676901680 is 86109676.

It is not an unprimeable number, because it can be changed into a prime (676901681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1885341 + ... + 1885699.

It is an arithmetic number, because the mean of its divisors is an integer number (8460396).

Almost surely, 2676901680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676901680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015247520).

676901680 is an abundant number, since it is smaller than the sum of its proper divisors (1353593360).

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

676901680 is a wasteful number, since it uses less digits than its factorization.

676901680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 676901680 is about 26017.3342216300. The cubic root of 676901680 is about 878.0283336557.

The spelling of 676901680 in words is "six hundred seventy-six million, nine hundred one thousand, six hundred eighty".