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808955994 = 237211416101
BaseRepresentation
bin110000001101111…
…011000001011010
32002101012020000010
4300031323001122
53124043042434
6212134422350
726022004200
oct6015730132
92071166003
10808955994
113856a8680
121a6b019b6
13cb79a4b2
147961b070
154b0459e9
hex3037b05a

808955994 has 96 divisors (see below), whose sum is σ = 2103579072. Its totient is φ = 204960000.

The previous prime is 808955993. The next prime is 808956017. The reversal of 808955994 is 499559808.

It is not an unprimeable number, because it can be changed into a prime (808955993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129544 + ... + 135644.

It is an arithmetic number, because the mean of its divisors is an integer number (21912282).

Almost surely, 2808955994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808955994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051789536).

808955994 is an abundant number, since it is smaller than the sum of its proper divisors (1294623078).

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

808955994 is a wasteful number, since it uses less digits than its factorization.

808955994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172 (or 6165 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 57.

The square root of 808955994 is about 28442.1517118519. The cubic root of 808955994 is about 931.7690895526.

The spelling of 808955994 in words is "eight hundred eight million, nine hundred fifty-five thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 41 42 49 66 77 82 98 123 147 154 231 246 287 294 451 462 539 574 861 902 1078 1353 1617 1722 2009 2706 3157 3234 4018 6027 6101 6314 9471 12054 12202 18303 18942 22099 36606 42707 44198 66297 67111 85414 128121 132594 134222 201333 250141 256242 298949 402666 469777 500282 597898 750423 896847 939554 1409331 1500846 1750987 1793694 2751551 2818662 3288439 3501974 5252961 5503102 6576878 8254653 9865317 10505922 12256909 16509306 19260857 19730634 24513818 36770727 38521714 57782571 73541454 115565142 134825999 269651998 404477997 808955994