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83525120 = 29575979
BaseRepresentation
bin1001111101001…
…11111000000000
312211011111220222
410332213320000
5132340300440
612142122212
72032644320
oct476477000
9184144828
1083525120
1143169728
1223b80368
13143c5a63
14b143280
1574ed2b5
hex4fa7e00

83525120 has 160 divisors (see below), whose sum is σ = 235699200. Its totient is φ = 27795456.

The previous prime is 83525119. The next prime is 83525171. The reversal of 83525120 is 2152538.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 83525120.

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 15 ways as a sum of consecutive naturals, for example, 1057241 + ... + 1057319.

It is an arithmetic number, because the mean of its divisors is an integer number (1473120).

Almost surely, 283525120 is an apocalyptic number.

83525120 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 83525120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117849600).

83525120 is an abundant number, since it is smaller than the sum of its proper divisors (152174080).

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

83525120 is an equidigital number, since it uses as much as digits as its factorization.

83525120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 83525120 is about 9139.2078431339. The cubic root of 83525120 is about 437.1250578099.

Adding to 83525120 its reverse (2152538), we get a palindrome (85677658).

The spelling of 83525120 in words is "eighty-three million, five hundred twenty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 59 64 70 79 80 112 118 128 140 158 160 224 236 256 280 295 316 320 395 413 448 472 512 553 560 590 632 640 790 826 896 944 1106 1120 1180 1264 1280 1580 1652 1792 1888 2065 2212 2240 2360 2528 2560 2765 3160 3304 3584 3776 4130 4424 4480 4661 4720 5056 5530 6320 6608 7552 8260 8848 8960 9322 9440 10112 11060 12640 13216 15104 16520 17696 17920 18644 18880 20224 22120 23305 25280 26432 30208 32627 33040 35392 37288 37760 40448 44240 46610 50560 52864 65254 66080 70784 74576 75520 88480 93220 101120 105728 130508 132160 141568 149152 151040 163135 176960 186440 202240 211456 261016 264320 283136 298304 326270 353920 372880 522032 528640 596608 652540 707840 745760 1044064 1057280 1193216 1305080 1415680 1491520 2088128 2386432 2610160 2983040 4176256 5220320 5966080 8352512 10440640 11932160 16705024 20881280 41762560 83525120