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860085 = 33523277
BaseRepresentation
bin11010001111110110101
31121200211000
43101332311
5210010320
630233513
710211352
oct3217665
91550730
10860085
11538216
12355899
13241635
14185629
1511ec90
hexd1fb5

860085 has 32 divisors (see below), whose sum is σ = 1601280. Its totient is φ = 437184.

The previous prime is 860077. The next prime is 860087. The reversal of 860085 is 580068.

It is not a de Polignac number, because 860085 - 23 = 860077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2967 + ... + 3243.

It is an arithmetic number, because the mean of its divisors is an integer number (50040).

2860085 is an apocalyptic number.

It is an amenable number.

860085 is a deficient number, since it is larger than the sum of its proper divisors (741195).

860085 is a wasteful number, since it uses less digits than its factorization.

860085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 860085 is about 927.4076773458. The cubic root of 860085 is about 95.0999870633.

The spelling of 860085 in words is "eight hundred sixty thousand, eighty-five".

Divisors: 1 3 5 9 15 23 27 45 69 115 135 207 277 345 621 831 1035 1385 2493 3105 4155 6371 7479 12465 19113 31855 37395 57339 95565 172017 286695 860085