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83541120 = 2735133347
BaseRepresentation
bin1001111101010…
…11110010000000
312211012022212120
410332223302000
5132341303440
612142324240
72033042055
oct476536200
9184168776
1083541120
114317a753
1223b89680
1314400120
14b14902c
157502dd0
hex4fabc80

83541120 has 128 divisors (see below), whose sum is σ = 286856640. Its totient is φ = 20557824.

The previous prime is 83541089. The next prime is 83541121. The reversal of 83541120 is 2114538.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (83541121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23287 + ... + 26633.

Almost surely, 283541120 is an apocalyptic number.

83541120 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 83541120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143428320).

83541120 is an abundant number, since it is smaller than the sum of its proper divisors (203315520).

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

83541120 is a wasteful number, since it uses less digits than its factorization.

83541120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382 (or 3370 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 83541120 is about 9140.0831506065. The cubic root of 83541120 is about 437.1529677943.

Adding to 83541120 its reverse (2114538), we get a palindrome (85655658).

The spelling of 83541120 in words is "eighty-three million, five hundred forty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 192 195 208 240 260 312 320 384 390 416 480 520 624 640 780 832 960 1040 1248 1560 1664 1920 2080 2496 3120 3347 4160 4992 6240 6694 8320 10041 12480 13388 16735 20082 24960 26776 33470 40164 43511 50205 53552 66940 80328 87022 100410 107104 130533 133880 160656 174044 200820 214208 217555 261066 267760 321312 348088 401640 428416 435110 522132 535520 642624 652665 696176 803280 870220 1044264 1071040 1285248 1305330 1392352 1606560 1740440 2088528 2142080 2610660 2784704 3213120 3480880 4177056 5221320 5569408 6426240 6961760 8354112 10442640 13923520 16708224 20885280 27847040 41770560 83541120