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87066 = 2327691
BaseRepresentation
bin10101010000011010
311102102200
4111100122
510241231
61511030
7511560
oct252032
9142380
1087066
115a461
1242476
1330825
1423a30
151abe6
hex1541a

87066 has 24 divisors (see below), whose sum is σ = 215904. Its totient is φ = 24840.

The previous prime is 87049. The next prime is 87071. The reversal of 87066 is 66078.

It is an unprimeable number.

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, 220 + ... + 471.

It is an arithmetic number, because the mean of its divisors is an integer number (8996).

287066 is an apocalyptic number.

87066 is an abundant number, since it is smaller than the sum of its proper divisors (128838).

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 (107952).

87066 is a wasteful number, since it uses less digits than its factorization.

87066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 87066 is about 295.0694833425. The cubic root of 87066 is about 44.3216783327.

The spelling of 87066 in words is "eighty-seven thousand, sixty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 691 1382 2073 4146 4837 6219 9674 12438 14511 29022 43533 87066