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680452443 = 32116873257
BaseRepresentation
bin101000100011101…
…110000101011011
31202102101120021100
4220203232011123
52343143434233
6151304242443
722601515236
oct5043560533
91672346240
10680452443
1131a108aa0
1216ba70423
13aac86ba8
146652a41d
153eb10813
hex288ee15b

680452443 has 12 divisors (see below), whose sum is σ = 1072228248. Its totient is φ = 412395360.

The previous prime is 680452429. The next prime is 680452477. The reversal of 680452443 is 344254086.

680452443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680452443 - 26 = 680452379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680452398 and 680452407.

It is not an unprimeable number, because it can be changed into a prime (680452403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3436530 + ... + 3436727.

It is an arithmetic number, because the mean of its divisors is an integer number (89352354).

Almost surely, 2680452443 is an apocalyptic number.

680452443 is a deficient number, since it is larger than the sum of its proper divisors (391775805).

680452443 is a wasteful number, since it uses less digits than its factorization.

680452443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873274 (or 6873271 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 680452443 is about 26085.4833767749. The cubic root of 680452443 is about 879.5609220560.

The spelling of 680452443 in words is "six hundred eighty million, four hundred fifty-two thousand, four hundred forty-three".

Divisors: 1 3 9 11 33 99 6873257 20619771 61859313 75605827 226817481 680452443