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682369920 = 2734513163
BaseRepresentation
bin101000101011000…
…010001110000000
31202112222222120000
4220223002032000
52344141314140
6151413320000
722624022451
oct5053021600
91675888500
10682369920
113201a8691
12170636000
13ab4a88ab
14668a9128
153ed8da30
hex28ac2380

682369920 has 160 divisors (see below), whose sum is σ = 2437051320. Its totient is φ = 181951488.

The previous prime is 682369901. The next prime is 682369921. The reversal of 682369920 is 29963286.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682369921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45259 + ... + 58421.

Almost surely, 2682369920 is an apocalyptic number.

682369920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 682369920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218525660).

682369920 is an abundant number, since it is smaller than the sum of its proper divisors (1754681400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

682369920 is a wasteful number, since it uses less digits than its factorization.

682369920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194 (or 13173 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 682369920 is about 26122.2112387141. The cubic root of 682369920 is about 880.3863317478.

The spelling of 682369920 in words is "six hundred eighty-two million, three hundred sixty-nine thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 270 288 320 324 360 384 405 432 480 540 576 640 648 720 810 864 960 1080 1152 1296 1440 1620 1728 1920 2160 2592 2880 3240 3456 4320 5184 5760 6480 8640 10368 12960 13163 17280 25920 26326 39489 51840 52652 65815 78978 105304 118467 131630 157956 197445 210608 236934 263260 315912 355401 394890 421216 473868 526520 592335 631824 710802 789780 842432 947736 1053040 1066203 1184670 1263648 1421604 1579560 1684864 1777005 1895472 2106080 2132406 2369340 2527296 2843208 3159120 3554010 3790944 4212160 4264812 4738680 5054592 5331015 5686416 6318240 7108020 7581888 8424320 8529624 9477360 10662030 11372832 12636480 14216040 15163776 17059248 18954720 21324060 22745664 25272960 28432080 34118496 37909440 42648120 45491328 56864160 68236992 75818880 85296240 113728320 136473984 170592480 227456640 341184960 682369920