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82860441 = 343679587
BaseRepresentation
bin1001111000001…
…01100110011001
312202220202011020
410330011212121
5132203013231
612115553053
72024205426
oct474054631
9182822136
1082860441
1142855304
12238bb789
1314222361
14b00cd4d
15741b396
hex4f05999

82860441 has 16 divisors (see below), whose sum is σ = 114749184. Its totient is φ = 53144784.

The previous prime is 82860413. The next prime is 82860451. The reversal of 82860441 is 14406828.

It is not a de Polignac number, because 82860441 - 213 = 82852249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82860451) 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 15 ways as a sum of consecutive naturals, for example, 3850 + ... + 13436.

It is an arithmetic number, because the mean of its divisors is an integer number (7171824).

Almost surely, 282860441 is an apocalyptic number.

It is an amenable number.

82860441 is a deficient number, since it is larger than the sum of its proper divisors (31888743).

82860441 is a wasteful number, since it uses less digits than its factorization.

82860441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9700.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 82860441 is about 9102.7710616054. The cubic root of 82860441 is about 435.9624455632.

The spelling of 82860441 in words is "eighty-two million, eight hundred sixty thousand, four hundred forty-one".

Divisors: 1 3 43 67 129 201 2881 8643 9587 28761 412241 642329 1236723 1926987 27620147 82860441