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85261101 = 31792887
BaseRepresentation
bin1010001010011…
…11101100101101
312221102201020120
411011033230231
5133311323401
612243235153
72053464432
oct505175455
9187381216
1085261101
1144144a22
1224678ab9
1314882c73
14b475b89
157742836
hex514fb2d

85261101 has 12 divisors (see below), whose sum is σ = 114448992. Its totient is φ = 56459464.

The previous prime is 85261097. The next prime is 85261117. The reversal of 85261101 is 10116258.

It is not a de Polignac number, because 85261101 - 22 = 85261097 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 (85261201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95680 + ... + 96566.

It is an arithmetic number, because the mean of its divisors is an integer number (9537416).

Almost surely, 285261101 is an apocalyptic number.

It is an amenable number.

85261101 is a deficient number, since it is larger than the sum of its proper divisors (29187891).

85261101 is an equidigital number, since it uses as much as digits as its factorization.

85261101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 85261101 is about 9233.6937895947. The cubic root of 85261101 is about 440.1327096247.

Adding to 85261101 its reverse (10116258), we get a palindrome (95377359).

The spelling of 85261101 in words is "eighty-five million, two hundred sixty-one thousand, one hundred one".

Divisors: 1 3 179 537 887 2661 32041 96123 158773 476319 28420367 85261101