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82086000 = 2435313681
BaseRepresentation
bin1001110010010…
…00100001110000
312201110101211020
410321020201300
5132003223000
612051215440
72014501533
oct471104160
9181411736
1082086000
1142376477
12235a7580
13140109c9
14ac8aa1a
157316ba0
hex4e48870

82086000 has 80 divisors (see below), whose sum is σ = 264664608. Its totient is φ = 21888000.

The previous prime is 82085987. The next prime is 82086007. The reversal of 82086000 is 68028.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×820860002 = 13476222792000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82086007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841 + ... + 12840.

Almost surely, 282086000 is an apocalyptic number.

82086000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82086000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132332304).

82086000 is an abundant number, since it is smaller than the sum of its proper divisors (182578608).

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

82086000 is a wasteful number, since it uses less digits than its factorization.

82086000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13707 (or 13691 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 82086000 is about 9060.1324493630. The cubic root of 82086000 is about 434.5999757585.

The spelling of 82086000 in words is "eighty-two million, eighty-six thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 13681 27362 41043 54724 68405 82086 109448 136810 164172 205215 218896 273620 328344 342025 410430 547240 656688 684050 820860 1026075 1094480 1368100 1641720 1710125 2052150 2736200 3283440 3420250 4104300 5130375 5472400 6840500 8208600 10260750 13681000 16417200 20521500 27362000 41043000 82086000