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680353357 = 7330233083
BaseRepresentation
bin101000100011010…
…101111001001101
31202102012112100111
4220203111321031
52343132301412
6151302200021
722600623325
oct5043257115
91672175314
10680353357
1131a050602
1216ba23011
13aac50a68
1466502285
153eae12a7
hex288d5e4d

680353357 has 8 divisors (see below), whose sum is σ = 690125184. Its totient is φ = 670593888.

The previous prime is 680353337. The next prime is 680353381. The reversal of 680353357 is 753353086.

It is a happy number.

680353357 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 a cyclic number.

It is not a de Polignac number, because 680353357 - 27 = 680353229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680353337) 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, 219138 + ... + 222220.

It is an arithmetic number, because the mean of its divisors is an integer number (86265648).

Almost surely, 2680353357 is an apocalyptic number.

It is an amenable number.

680353357 is a deficient number, since it is larger than the sum of its proper divisors (9771827).

680353357 is a wasteful number, since it uses less digits than its factorization.

680353357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 680353357 is about 26083.5840520432. The cubic root of 680353357 is about 879.5182267361.

The spelling of 680353357 in words is "six hundred eighty million, three hundred fifty-three thousand, three hundred fifty-seven".

Divisors: 1 73 3023 3083 220679 225059 9319909 680353357