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67536 = 2432767
BaseRepresentation
bin10000011111010000
310102122100
4100133100
54130121
61240400
7400620
oct203720
9112570
1067536
1146817
1233100
1324981
141a880
1515026
hex107d0

67536 has 60 divisors (see below), whose sum is σ = 219232. Its totient is φ = 19008.

The previous prime is 67531. The next prime is 67537. The reversal of 67536 is 63576.

It is a super-2 number, since 2×675362 = 9122222592, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 975 + ... + 1041.

267536 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 67536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109616).

67536 is an abundant number, since it is smaller than the sum of its proper divisors (151696).

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

67536 is a wasteful number, since it uses less digits than its factorization.

67536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 79 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 67536 is about 259.8768939325. The cubic root of 67536 is about 40.7235014094.

The spelling of 67536 in words is "sixty-seven thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 67 72 84 112 126 134 144 168 201 252 268 336 402 469 504 536 603 804 938 1008 1072 1206 1407 1608 1876 2412 2814 3216 3752 4221 4824 5628 7504 8442 9648 11256 16884 22512 33768 67536