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83306080 = 25511213331
BaseRepresentation
bin1001111011100…
…10011001100000
312210202101110101
410331302121200
5132311243310
612133312144
72031042604
oct475623140
9183671411
1083306080
114302a100
1223a95654
131434a150
14b0c7504
1574a843a
hex4f72660

83306080 has 144 divisors (see below), whose sum is σ = 233673552. Its totient is φ = 27878400.

The previous prime is 83306059. The next prime is 83306099. The reversal of 83306080 is 8060338.

83306080 = T90 + T91 + ... + T793.

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 23 ways as a sum of consecutive naturals, for example, 251515 + ... + 251845.

It is an arithmetic number, because the mean of its divisors is an integer number (1622733).

Almost surely, 283306080 is an apocalyptic number.

83306080 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 83306080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116836776).

83306080 is an abundant number, since it is smaller than the sum of its proper divisors (150367472).

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

83306080 is a wasteful number, since it uses less digits than its factorization.

83306080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 83306080 is about 9127.2164431441. The cubic root of 83306080 is about 436.7426112172.

The spelling of 83306080 in words is "eighty-three million, three hundred six thousand, eighty".

Divisors: 1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 65 80 88 104 110 121 130 143 160 176 208 220 242 260 286 331 352 416 440 484 520 572 605 662 715 880 968 1040 1144 1210 1324 1430 1573 1655 1760 1936 2080 2288 2420 2648 2860 3146 3310 3641 3872 4303 4576 4840 5296 5720 6292 6620 7282 7865 8606 9680 10592 11440 12584 13240 14564 15730 17212 18205 19360 21515 22880 25168 26480 29128 31460 34424 36410 40051 43030 47333 50336 52960 58256 62920 68848 72820 80102 86060 94666 116512 125840 137696 145640 160204 172120 189332 200255 236665 251680 291280 320408 344240 378664 400510 473330 520663 582560 640816 688480 757328 801020 946660 1041326 1281632 1514656 1602040 1893320 2082652 2603315 3204080 3786640 4165304 5206630 6408160 7573280 8330608 10413260 16661216 20826520 41653040 83306080