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85386169 = 1147317521
BaseRepresentation
bin1010001011011…
…10001110111001
312221200001210201
411011232032321
5133324324134
612250042201
72054525161
oct505561671
9187601721
1085386169
114421a990
1224719361
13148c7b7b
14b4a95a1
157769914
hex516e3b9

85386169 has 16 divisors (see below), whose sum is σ = 95613696. Its totient is φ = 75587200.

The previous prime is 85386151. The next prime is 85386187. The reversal of 85386169 is 96168358.

It is an interprime number because it is at equal distance from previous prime (85386151) and next prime (85386187).

It is a cyclic number.

It is not a de Polignac number, because 85386169 - 25 = 85386137 is a prime.

It is a super-2 number, since 2×853861692 = 14581595712993122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85386109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163629 + ... + 164149.

It is an arithmetic number, because the mean of its divisors is an integer number (5975856).

Almost surely, 285386169 is an apocalyptic number.

It is an amenable number.

85386169 is a deficient number, since it is larger than the sum of its proper divisors (10227527).

85386169 is a wasteful number, since it uses less digits than its factorization.

85386169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its digits is 311040, while the sum is 46.

The square root of 85386169 is about 9240.4636788421. The cubic root of 85386169 is about 440.3478121095.

The spelling of 85386169 in words is "eighty-five million, three hundred eighty-six thousand, one hundred sixty-nine".

Divisors: 1 11 47 317 517 521 3487 5731 14899 24487 163889 165157 269357 1816727 7762379 85386169