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680934543 = 3474829323
BaseRepresentation
bin101000100101100…
…011110010001111
31202110022001120220
4220211203302033
52343304401133
6151322442423
722605563622
oct5045436217
91673261526
10680934543
1131a408223
12170063413
13ab0c5463
1466613db9
153eba85b3
hex28963c8f

680934543 has 8 divisors (see below), whose sum is σ = 927230208. Its totient is φ = 444297624.

The previous prime is 680934539. The next prime is 680934557. The reversal of 680934543 is 345439086.

680934543 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.

It is not a de Polignac number, because 680934543 - 22 = 680934539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680934495 and 680934504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680934533) 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, 2414521 + ... + 2414802.

It is an arithmetic number, because the mean of its divisors is an integer number (115903776).

Almost surely, 2680934543 is an apocalyptic number.

680934543 is a deficient number, since it is larger than the sum of its proper divisors (246295665).

680934543 is a wasteful number, since it uses less digits than its factorization.

680934543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829373.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 680934543 is about 26094.7225124162. The cubic root of 680934543 is about 879.7685957498.

The spelling of 680934543 in words is "six hundred eighty million, nine hundred thirty-four thousand, five hundred forty-three".

Divisors: 1 3 47 141 4829323 14487969 226978181 680934543