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82368543 = 3235920233
BaseRepresentation
bin1001110100011…
…01100000011111
312201222202101210
410322031200133
5132041243133
612101235503
72020056345
oct472154037
9181882353
1082368543
1142549784
1223702b93
13140ac4aa
14ad21995
157370763
hex4e8d81f

82368543 has 16 divisors (see below), whose sum is σ = 116547840. Its totient is φ = 51632064.

The previous prime is 82368509. The next prime is 82368547. The reversal of 82368543 is 34586328.

It is not a de Polignac number, because 82368543 - 26 = 82368479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82368547) 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, 6046 + ... + 14187.

It is an arithmetic number, because the mean of its divisors is an integer number (7284240).

Almost surely, 282368543 is an apocalyptic number.

82368543 is a deficient number, since it is larger than the sum of its proper divisors (34179297).

82368543 is a wasteful number, since it uses less digits than its factorization.

82368543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20318.

The product of its digits is 138240, while the sum is 39.

The square root of 82368543 is about 9075.7117076293. The cubic root of 82368543 is about 435.0980410540.

The spelling of 82368543 in words is "eighty-two million, three hundred sixty-eight thousand, five hundred forty-three".

Divisors: 1 3 23 59 69 177 1357 4071 20233 60699 465359 1193747 1396077 3581241 27456181 82368543