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680307350 = 25219811883
BaseRepresentation
bin101000100011001…
…010101010010110
31202102010012020112
4220203022222112
52343124313400
6151301203022
722600342232
oct5043125226
91672105215
10680307350
1131a019a88
1216ba00472
13aac35b38
14664cd5c2
153ead2835
hex288caa96

680307350 has 48 divisors (see below), whose sum is σ = 1335122880. Its totient is φ = 257191200.

The previous prime is 680307323. The next prime is 680307403. The reversal of 680307350 is 53703086.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 770009 + ... + 770891.

It is an arithmetic number, because the mean of its divisors is an integer number (27815060).

Almost surely, 2680307350 is an apocalyptic number.

680307350 is a deficient number, since it is larger than the sum of its proper divisors (654815530).

680307350 is a wasteful number, since it uses less digits than its factorization.

680307350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 680307350 is about 26082.7021222879. The cubic root of 680307350 is about 879.4984012995.

The spelling of 680307350 in words is "six hundred eighty million, three hundred seven thousand, three hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 811 883 950 1622 1766 4055 4415 8110 8830 15409 16777 20275 22075 30818 33554 40550 44150 77045 83885 154090 167770 385225 419425 716113 770450 838850 1432226 3580565 7161130 13606147 17902825 27212294 35805650 68030735 136061470 340153675 680307350