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8082000 = 243253449
BaseRepresentation
bin11110110101001001010000
3120012121102100
4132311021100
54032111000
6445120400
7125460453
oct36651120
916177370
108082000
114620143
122859100
13189c864
14110549a
15a99a00
hex7b5250

8082000 has 120 divisors (see below), whose sum is σ = 28290600. Its totient is φ = 2150400.

The previous prime is 8081971. The next prime is 8082013. The reversal of 8082000 is 2808.

It can be written as a sum of positive squares in 4 ways, for example, as 197136 + 7884864 = 444^2 + 2808^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17776 + ... + 18224.

It is an arithmetic number, because the mean of its divisors is an integer number (235755).

Almost surely, 28082000 is an apocalyptic number.

8082000 is a gapful number since it is divisible by the number (80) 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 8082000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14145300).

8082000 is an abundant number, since it is smaller than the sum of its proper divisors (20208600).

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

8082000 is a wasteful number, since it uses less digits than its factorization.

8082000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 8082000 is about 2842.8858577157. The cubic root of 8082000 is about 200.6810118159.

Adding to 8082000 its reverse (2808), we get a palindrome (8084808).

The spelling of 8082000 in words is "eight million, eighty-two thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 125 144 150 180 200 225 240 250 300 360 375 400 449 450 500 600 720 750 898 900 1000 1125 1200 1347 1500 1796 1800 2000 2245 2250 2694 3000 3592 3600 4041 4490 4500 5388 6000 6735 7184 8082 8980 9000 10776 11225 13470 16164 17960 18000 20205 21552 22450 26940 32328 33675 35920 40410 44900 53880 56125 64656 67350 80820 89800 101025 107760 112250 134700 161640 168375 179600 202050 224500 269400 323280 336750 404100 449000 505125 538800 673500 808200 898000 1010250 1347000 1616400 2020500 2694000 4041000 8082000