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85847055 = 3574091999
BaseRepresentation
bin1010001110111…
…10110000001111
312222112111000120
411013132300033
5133434101210
612304000023
72061454650
oct507366017
9188474016
1085847055
1144505188
1224900013
1314a29898
14b589527
15780b270
hex51dec0f

85847055 has 32 divisors (see below), whose sum is σ = 157440000. Its totient is φ = 39128832.

The previous prime is 85847053. The next prime is 85847089. The reversal of 85847055 is 55074858.

It is not a de Polignac number, because 85847055 - 21 = 85847053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85846998 and 85847016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85847053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41946 + ... + 43944.

It is an arithmetic number, because the mean of its divisors is an integer number (4920000).

Almost surely, 285847055 is an apocalyptic number.

85847055 is a deficient number, since it is larger than the sum of its proper divisors (71592945).

85847055 is a wasteful number, since it uses less digits than its factorization.

85847055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 85847055 is about 9265.3685841417. The cubic root of 85847055 is about 441.1386743097.

The spelling of 85847055 in words is "eighty-five million, eight hundred forty-seven thousand, fifty-five".

Divisors: 1 3 5 7 15 21 35 105 409 1227 1999 2045 2863 5997 6135 8589 9995 13993 14315 29985 41979 42945 69965 209895 817591 2452773 4087955 5723137 12263865 17169411 28615685 85847055