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8080323840 = 28325701417
BaseRepresentation
bin1111000011001111…
…11111010100000000
3202212010112222111100
413201213333110000
5113022030330330
63413445214400
7404144422311
oct74147772400
922763488440
108080323840
11347714a996
121696101400
139ba087a14
14569216608
153245b5060
hex1e19ff500

8080323840 has 108 divisors (see below), whose sum is σ = 27957118644. Its totient is φ = 2154749952.

The previous prime is 8080323827. The next prime is 8080323851. The reversal of 8080323840 is 483230808.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2430095616 + 5650228224 = 49296^2 + 75168^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8080323795 and 8080323804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339189 + ... + 362228.

Almost surely, 28080323840 is an apocalyptic number.

8080323840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8080323840 is an abundant number, since it is smaller than the sum of its proper divisors (19876794804).

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

8080323840 is a wasteful number, since it uses less digits than its factorization.

8080323840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701444 (or 701427 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 8080323840 is about 89890.6215352859. The cubic root of 8080323840 is about 2006.6713749676.

The spelling of 8080323840 in words is "eight billion, eighty million, three hundred twenty-three thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 576 640 720 768 960 1152 1280 1440 1920 2304 2880 3840 5760 11520 701417 1402834 2104251 2805668 3507085 4208502 5611336 6312753 7014170 8417004 10521255 11222672 12625506 14028340 16834008 21042510 22445344 25251012 28056680 31563765 33668016 42085020 44890688 50502024 56113360 63127530 67336032 84170040 89781376 101004048 112226720 126255060 134672064 168340080 179562752 202008096 224453440 252510120 269344128 336680160 404016192 448906880 505020240 538688256 673360320 808032384 897813760 1010040480 1346720640 1616064768 2020080960 2693441280 4040161920 8080323840