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8723416320 = 28325757241
BaseRepresentation
bin10000001111111010…
…01100010100000000
3211111221122110112100
420013331030110000
5120331143310240
64001341030400
7426113546433
oct100775142400
924457573470
108723416320
113777160883
121835555400
13a90390908
145ca7b981a
15360c95e30
hex207f4c500

8723416320 has 108 divisors (see below), whose sum is σ = 30182151636. Its totient is φ = 2326241280.

The previous prime is 8723416307. The next prime is 8723416393. The reversal of 8723416320 is 236143278.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2009908224 + 6713508096 = 44832^2 + 81936^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

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 11 ways as a sum of consecutive naturals, for example, 367101 + ... + 390140.

It is an arithmetic number, because the mean of its divisors is an integer number (279464367).

Almost surely, 28723416320 is an apocalyptic number.

8723416320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8723416320 is an abundant number, since it is smaller than the sum of its proper divisors (21458735316).

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

8723416320 is a wasteful number, since it uses less digits than its factorization.

8723416320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757268 (or 757251 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 8723416320 is about 93399.2308319506. The cubic root of 8723416320 is about 2058.5536962119.

Adding to 8723416320 its reverse (236143278), we get a palindrome (8959559598).

The spelling of 8723416320 in words is "eight billion, seven hundred twenty-three million, four hundred sixteen thousand, three hundred twenty".

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 757241 1514482 2271723 3028964 3786205 4543446 6057928 6815169 7572410 9086892 11358615 12115856 13630338 15144820 18173784 22717230 24231712 27260676 30289640 34075845 36347568 45434460 48463424 54521352 60579280 68151690 72695136 90868920 96926848 109042704 121158560 136303380 145390272 181737840 193853696 218085408 242317120 272606760 290780544 363475680 436170816 484634240 545213520 581561088 726951360 872341632 969268480 1090427040 1453902720 1744683264 2180854080 2907805440 4361708160 8723416320