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768882840 = 2335114114207
BaseRepresentation
bin101101110101000…
…011100010011000
31222120210021222020
4231311003202120
53033313222330
6204143454440
725024252635
oct5565034230
91876707866
10768882840
11365018070
121955b7420
13c33a957b
147418918c
154777c210
hex2dd43898

768882840 has 128 divisors (see below), whose sum is σ = 2577899520. Its totient is φ = 181836800.

The previous prime is 768882833. The next prime is 768882853. The reversal of 768882840 is 48288867.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47017 + ... + 61223.

It is an arithmetic number, because the mean of its divisors is an integer number (20139840).

Almost surely, 2768882840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 768882840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288949760).

768882840 is an abundant number, since it is smaller than the sum of its proper divisors (1809016680).

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

768882840 is a wasteful number, since it uses less digits than its factorization.

768882840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14273 (or 14269 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 51.

The square root of 768882840 is about 27728.7367184299. The cubic root of 768882840 is about 916.1221622824.

The spelling of 768882840 in words is "seven hundred sixty-eight million, eight hundred eighty-two thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 41 44 55 60 66 82 88 110 120 123 132 164 165 205 220 246 264 328 330 410 440 451 492 615 660 820 902 984 1230 1320 1353 1640 1804 2255 2460 2706 3608 4510 4920 5412 6765 9020 10824 13530 14207 18040 27060 28414 42621 54120 56828 71035 85242 113656 142070 156277 170484 213105 284140 312554 340968 426210 468831 568280 582487 625108 781385 852420 937662 1164974 1250216 1562770 1704840 1747461 1875324 2329948 2344155 2912435 3125540 3494922 3750648 4659896 4688310 5824870 6251080 6407357 6989844 8737305 9376620 11649740 12814714 13979688 17474610 18753240 19222071 23299480 25629428 32036785 34949220 38444142 51258856 64073570 69898440 76888284 96110355 128147140 153776568 192220710 256294280 384441420 768882840