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85055600 = 2452737821
BaseRepresentation
bin1010001000111…
…01100001110000
312221001021100102
411010131201300
5133233234400
612235011532
72051650340
oct504354160
9187037312
1085055600
1144014593
1224599ba8
1314810576
14b420d20
1577019d5
hex511d870

85055600 has 120 divisors (see below), whose sum is σ = 240142368. Its totient is φ = 28339200.

The previous prime is 85055569. The next prime is 85055611. The reversal of 85055600 is 655058.

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, 103190 + ... + 104010.

Almost surely, 285055600 is an apocalyptic number.

85055600 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 85055600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120071184).

85055600 is an abundant number, since it is smaller than the sum of its proper divisors (155086768).

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

85055600 is a wasteful number, since it uses less digits than its factorization.

85055600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 85055600 is about 9222.5592977221. The cubic root of 85055600 is about 439.7788144497.

The spelling of 85055600 in words is "eighty-five million, fifty-five thousand, six hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 37 40 50 56 70 74 80 100 112 140 148 175 185 200 259 280 296 350 370 400 518 560 592 700 740 821 925 1036 1295 1400 1480 1642 1850 2072 2590 2800 2960 3284 3700 4105 4144 5180 5747 6475 6568 7400 8210 10360 11494 12950 13136 14800 16420 20525 20720 22988 25900 28735 30377 32840 41050 45976 51800 57470 60754 65680 82100 91952 103600 114940 121508 143675 151885 164200 212639 229880 243016 287350 303770 328400 425278 459760 486032 574700 607540 759425 850556 1063195 1149400 1215080 1518850 1701112 2126390 2298800 2430160 3037700 3402224 4252780 5315975 6075400 8505560 10631950 12150800 17011120 21263900 42527800 85055600