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82860423 = 327620141
BaseRepresentation
bin1001111000001…
…01100110000111
312202220202010120
410330011212013
5132203013143
612115553023
72024205402
oct474054607
9182822116
1082860423
1142855298
12238bb773
1314222349
14b00cd39
15741b383
hex4f05987

82860423 has 4 divisors (see below), whose sum is σ = 110480568. Its totient is φ = 55240280.

The previous prime is 82860413. The next prime is 82860451. The reversal of 82860423 is 32406828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82860423 - 217 = 82729351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82860403) 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 3 ways as a sum of consecutive naturals, for example, 13810068 + ... + 13810073.

It is an arithmetic number, because the mean of its divisors is an integer number (27620142).

Almost surely, 282860423 is an apocalyptic number.

82860423 is a deficient number, since it is larger than the sum of its proper divisors (27620145).

82860423 is a wasteful number, since it uses less digits than its factorization.

82860423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27620144.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 82860423 is about 9102.7700728954. The cubic root of 82860423 is about 435.9624139947.

The spelling of 82860423 in words is "eighty-two million, eight hundred sixty thousand, four hundred twenty-three".

Divisors: 1 3 27620141 82860423