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101286 = 23217331
BaseRepresentation
bin11000101110100110
312010221100
4120232212
511220121
62100530
7601203
oct305646
9163840
10101286
116a109
124a746
1337143
1428caa
1520026
hex18ba6

101286 has 24 divisors (see below), whose sum is σ = 233064. Its totient is φ = 31680.

The previous prime is 101281. The next prime is 101287. The reversal of 101286 is 682101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101281) 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, 141 + ... + 471.

It is an arithmetic number, because the mean of its divisors is an integer number (9711).

2101286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116532).

101286 is an abundant number, since it is smaller than the sum of its proper divisors (131778).

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

101286 is a wasteful number, since it uses less digits than its factorization.

101286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 101286 is about 318.2546150490. The cubic root of 101286 is about 46.6140109036.

Adding to 101286 its reverse (682101), we get a palindrome (783387).

It can be divided in two parts, 10 and 1286, that added together give a 4-th power (1296 = 64).

The spelling of 101286 in words is "one hundred one thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 331 662 993 1986 2979 5627 5958 11254 16881 33762 50643 101286