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66286 = 21123131
BaseRepresentation
bin10000001011101110
310100221001
4100023232
54110121
61230514
7364153
oct201356
9110831
1066286
1145890
123243a
132422c
141a22a
1514991
hex102ee

66286 has 16 divisors (see below), whose sum is σ = 114048. Its totient is φ = 28600.

The previous prime is 66271. The next prime is 66293. The reversal of 66286 is 68266.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441 + ... + 571.

It is an arithmetic number, because the mean of its divisors is an integer number (7128).

266286 is an apocalyptic number.

66286 is a deficient number, since it is larger than the sum of its proper divisors (47762).

66286 is a wasteful number, since it uses less digits than its factorization.

66286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167.

The product of its digits is 3456, while the sum is 28.

The square root of 66286 is about 257.4606766091. The cubic root of 66286 is about 40.4706895584.

The spelling of 66286 in words is "sixty-six thousand, two hundred eighty-six".

Divisors: 1 2 11 22 23 46 131 253 262 506 1441 2882 3013 6026 33143 66286