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52085600 = 2552771131
BaseRepresentation
bin1100011010110…
…0001101100000
310122000020000022
43012230031200
5101313214400
65100213012
71201502030
oct306541540
9118006008
1052085600
1127445756
121553a168
13aa387a8
146cbb8c0
15488cb85
hex31ac360

52085600 has 144 divisors (see below), whose sum is σ = 148490496. Its totient is φ = 17472000.

The previous prime is 52085597. The next prime is 52085609. The reversal of 52085600 is 658025.

It is a self number, because there is not a number n which added to its sum of digits gives 52085600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52085609) by changing a digit.

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, 397535 + ... + 397665.

It is an arithmetic number, because the mean of its divisors is an integer number (1031184).

Almost surely, 252085600 is an apocalyptic number.

52085600 is a gapful number since it is divisible by the number (50) 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 52085600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74245248).

52085600 is an abundant number, since it is smaller than the sum of its proper divisors (96404896).

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

52085600 is a wasteful number, since it uses less digits than its factorization.

52085600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 216 counting only the distinct ones).

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

The square root of 52085600 is about 7217.0354024350. The cubic root of 52085600 is about 373.4558129882.

The spelling of 52085600 in words is "fifty-two million, eighty-five thousand, six hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 71 80 100 112 131 140 142 160 175 200 224 262 280 284 350 355 400 497 524 560 568 655 700 710 800 917 994 1048 1120 1136 1310 1400 1420 1775 1834 1988 2096 2272 2485 2620 2800 2840 3275 3550 3668 3976 4192 4585 4970 5240 5600 5680 6550 7100 7336 7952 9170 9301 9940 10480 11360 12425 13100 14200 14672 15904 18340 18602 19880 20960 22925 24850 26200 28400 29344 36680 37204 39760 45850 46505 49700 52400 56800 65107 73360 74408 79520 91700 93010 99400 104800 130214 146720 148816 183400 186020 198800 232525 260428 297632 325535 366800 372040 397600 465050 520856 651070 733600 744080 930100 1041712 1302140 1488160 1627675 1860200 2083424 2604280 3255350 3720400 5208560 6510700 7440800 10417120 13021400 26042800 52085600