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8005175040 = 283510719483
BaseRepresentation
bin1110111010010010…
…10100011100000000
3202122220011000201110
413131021110130000
5112343311100130
63402202403320
7402242602512
oct73511243400
922586130643
108005175040
113438792545
121674b00540
139a7635785
1455d253bb2
1531cbbdab0
hex1dd254700

8005175040 has 144 divisors (see below), whose sum is σ = 25806791808. Its totient is φ = 2114654208.

The previous prime is 8005175039. The next prime is 8005175053. The reversal of 8005175040 is 405715008.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8005174989 and 8005175007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401139 + ... + 420621.

It is an arithmetic number, because the mean of its divisors is an integer number (179213832).

Almost surely, 28005175040 is an apocalyptic number.

8005175040 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 8005175040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12903395904).

8005175040 is an abundant number, since it is smaller than the sum of its proper divisors (17801616768).

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

8005175040 is a wasteful number, since it uses less digits than its factorization.

8005175040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19614 (or 19600 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 8005175040 is about 89471.6437761149. The cubic root of 8005175040 is about 2000.4311603770.

The spelling of 8005175040 in words is "eight billion, five million, one hundred seventy-five thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 107 120 128 160 192 214 240 256 320 321 384 428 480 535 640 642 768 856 960 1070 1280 1284 1605 1712 1920 2140 2568 3210 3424 3840 4280 5136 6420 6848 8560 10272 12840 13696 17120 19483 20544 25680 27392 34240 38966 41088 51360 58449 68480 77932 82176 97415 102720 116898 136960 155864 194830 205440 233796 292245 311728 389660 410880 467592 584490 623456 779320 935184 1168980 1246912 1558640 1870368 2084681 2337960 2493824 3117280 3740736 4169362 4675920 4987648 6234560 6254043 7481472 8338724 9351840 10423405 12469120 12508086 14962944 16677448 18703680 20846810 24938240 25016172 31270215 33354896 37407360 41693620 50032344 62540430 66709792 74814720 83387240 100064688 125080860 133419584 166774480 200129376 250161720 266839168 333548960 400258752 500323440 533678336 667097920 800517504 1000646880 1334195840 1601035008 2001293760 2668391680 4002587520 8005175040