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85845163 = 269319127
BaseRepresentation
bin1010001110111…
…10010010101011
312222112101102111
411013132102223
5133434021123
612303543151
72061446305
oct507362253
9188471374
1085845163
1144503818
12248baab7
1314a28a71
14b588975
15780a90d
hex51de4ab

85845163 has 4 divisors (see below), whose sum is σ = 86164560. Its totient is φ = 85525768.

The previous prime is 85845127. The next prime is 85845167. The reversal of 85845163 is 36154858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36154858 = 218077429.

It is a cyclic number.

It is not a de Polignac number, because 85845163 - 29 = 85844651 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85845167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159295 + ... + 159832.

It is an arithmetic number, because the mean of its divisors is an integer number (21541140).

Almost surely, 285845163 is an apocalyptic number.

85845163 is a deficient number, since it is larger than the sum of its proper divisors (319397).

85845163 is a wasteful number, since it uses less digits than its factorization.

85845163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319396.

The product of its digits is 115200, while the sum is 40.

The square root of 85845163 is about 9265.2664829459. The cubic root of 85845163 is about 441.1354335055.

The spelling of 85845163 in words is "eighty-five million, eight hundred forty-five thousand, one hundred sixty-three".

Divisors: 1 269 319127 85845163