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11860 = 225593
BaseRepresentation
bin10111001010100
3121021021
42321110
5334420
6130524
746402
oct27124
917237
1011860
118a02
126a44
135524
144472
1537aa
hex2e54

11860 has 12 divisors (see below), whose sum is σ = 24948. Its totient is φ = 4736.

The previous prime is 11839. The next prime is 11863. The reversal of 11860 is 6811.

11860 = T75 + T76 + ... + T78.

11860 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5776 + 6084 = 76^2 + 78^2 .

11860 is strictly pandigital in base 6.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11863) 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 3 ways as a sum of consecutive naturals, for example, 277 + ... + 316.

It is an arithmetic number, because the mean of its divisors is an integer number (2079).

211860 is an apocalyptic number.

11860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11860 is an abundant number, since it is smaller than the sum of its proper divisors (13088).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12474).

11860 is a wasteful number, since it uses less digits than its factorization.

11860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11860 is about 108.9036271205. The cubic root of 11860 is about 22.8049030186.

The spelling of 11860 in words is "eleven thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 593 1186 2372 2965 5930 11860