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85532169 = 3106326821
BaseRepresentation
bin1010001100100…
…01111000001001
312221221111002010
411012101320021
5133344012134
612253130133
72056003632
oct506217011
9187844063
1085532169
114430a648
1224789949
1314949468
14b506889
157797ce9
hex5191e09

85532169 has 8 divisors (see below), whose sum is σ = 114154432. Its totient is φ = 56965680.

The previous prime is 85532159. The next prime is 85532173. The reversal of 85532169 is 96123558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85532169 - 25 = 85532137 is a prime.

It is a super-2 number, since 2×855321692 = 14631503867689122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85532149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10222 + ... + 16599.

It is an arithmetic number, because the mean of its divisors is an integer number (14269304).

Almost surely, 285532169 is an apocalyptic number.

It is an amenable number.

85532169 is a deficient number, since it is larger than the sum of its proper divisors (28622263).

85532169 is a wasteful number, since it uses less digits than its factorization.

85532169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27887.

The product of its digits is 64800, while the sum is 39.

The square root of 85532169 is about 9248.3603411632. The cubic root of 85532169 is about 440.5986496591.

The spelling of 85532169 in words is "eighty-five million, five hundred thirty-two thousand, one hundred sixty-nine".

Divisors: 1 3 1063 3189 26821 80463 28510723 85532169