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680928230 = 2568092823
BaseRepresentation
bin101000100101100…
…010001111100110
31202110021201221002
4220211202033212
52343304200410
6151322353302
722605536333
oct5045421746
91673251832
10680928230
1131a403504
1217005b832
13ab0c2618
146661198a
153eba67a5
hex289623e6

680928230 has 8 divisors (see below), whose sum is σ = 1225670832. Its totient is φ = 272371288.

The previous prime is 680928211. The next prime is 680928239. The reversal of 680928230 is 32829086.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680928239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34046402 + ... + 34046421.

It is an arithmetic number, because the mean of its divisors is an integer number (153208854).

Almost surely, 2680928230 is an apocalyptic number.

680928230 is a deficient number, since it is larger than the sum of its proper divisors (544742602).

680928230 is a wasteful number, since it uses less digits than its factorization.

680928230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68092830.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 680928230 is about 26094.6015489794. The cubic root of 680928230 is about 879.7658769391.

The spelling of 680928230 in words is "six hundred eighty million, nine hundred twenty-eight thousand, two hundred thirty".

Divisors: 1 2 5 10 68092823 136185646 340464115 680928230