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85083005 = 5722710709
BaseRepresentation
bin1010001001001…
…00001101111101
312221002122221102
411010210031331
5133240124010
612235342445
72052123260
oct504441575
9187078842
1085083005
1144033137
12245b1a25
131481cb97
14b42acd7
157709ba5
hex512437d

85083005 has 16 divisors (see below), whose sum is σ = 117210240. Its totient is φ = 58080192.

The previous prime is 85083001. The next prime is 85083041. The reversal of 85083005 is 50038058.

It is a cyclic number.

It is not a de Polignac number, because 85083005 - 22 = 85083001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85083001) 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, 2591 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (7325640).

Almost surely, 285083005 is an apocalyptic number.

It is an amenable number.

85083005 is a deficient number, since it is larger than the sum of its proper divisors (32127235).

85083005 is a wasteful number, since it uses less digits than its factorization.

85083005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10948.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 85083005 is about 9224.0449370111. The cubic root of 85083005 is about 439.8260417702.

The spelling of 85083005 in words is "eighty-five million, eighty-three thousand, five".

Divisors: 1 5 7 35 227 1135 1589 7945 10709 53545 74963 374815 2430943 12154715 17016601 85083005