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85536288 = 2532436907
BaseRepresentation
bin1010001100100…
…10111000100000
312221221200201200
411012102320200
5133344130123
612253201200
72056021635
oct506227040
9187850650
1085536288
1144312752
1224790200
131494b2b6
14b50818c
157799143
hex5192e20

85536288 has 72 divisors (see below), whose sum is σ = 248936688. Its totient is φ = 27844992.

The previous prime is 85536251. The next prime is 85536289. The reversal of 85536288 is 88263558.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (85536289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8931 + ... + 15837.

It is an arithmetic number, because the mean of its divisors is an integer number (3457454).

Almost surely, 285536288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85536288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124468344).

85536288 is an abundant number, since it is smaller than the sum of its proper divisors (163400400).

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

85536288 is a wasteful number, since it uses less digits than its factorization.

85536288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966 (or 6955 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 85536288 is about 9248.5830266047. The cubic root of 85536288 is about 440.6057222289.

It can be divided in two parts, 8553 and 6288, that added together give a palindrome (14841).

The spelling of 85536288 in words is "eighty-five million, five hundred thirty-six thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 72 86 96 129 144 172 258 288 344 387 516 688 774 1032 1376 1548 2064 3096 4128 6192 6907 12384 13814 20721 27628 41442 55256 62163 82884 110512 124326 165768 221024 248652 297001 331536 497304 594002 663072 891003 994608 1188004 1782006 1989216 2376008 2673009 3564012 4752016 5346018 7128024 9504032 10692036 14256048 21384072 28512096 42768144 85536288