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85869345 = 3519729059
BaseRepresentation
bin1010001111001…
…00001100100001
312222120121121010
411013210030201
5133440304340
612304251133
72061606642
oct507441441
9188517533
1085869345
114451aa01
1224910aa9
1314a36a83
14b5936c9
157812b80
hex51e4321

85869345 has 16 divisors (see below), whose sum is σ = 138093120. Its totient is φ = 45562944.

The previous prime is 85869283. The next prime is 85869353. The reversal of 85869345 is 54396858.

It is a happy number.

It is not a de Polignac number, because 85869345 - 214 = 85852961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85869294 and 85869303.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11575 + ... + 17484.

It is an arithmetic number, because the mean of its divisors is an integer number (8630820).

Almost surely, 285869345 is an apocalyptic number.

It is an amenable number.

85869345 is a deficient number, since it is larger than the sum of its proper divisors (52223775).

85869345 is a wasteful number, since it uses less digits than its factorization.

85869345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29264.

The product of its digits is 1036800, while the sum is 48.

The square root of 85869345 is about 9266.5713724117. The cubic root of 85869345 is about 441.1768512363.

The spelling of 85869345 in words is "eighty-five million, eight hundred sixty-nine thousand, three hundred forty-five".

Divisors: 1 3 5 15 197 591 985 2955 29059 87177 145295 435885 5724623 17173869 28623115 85869345