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85344315 = 3574871669
BaseRepresentation
bin1010001011001…
…00000000111011
312221120221101120
411011210000323
5133322004230
612245120323
72054262150
oct505440073
9187527346
1085344315
11441a14a1
12246b90a3
13148b1ac4
14b498227
15775c310
hex516403b

85344315 has 32 divisors (see below), whose sum is σ = 156472320. Its totient is φ = 38911104.

The previous prime is 85344251. The next prime is 85344317. The reversal of 85344315 is 51344358.

It is not a de Polignac number, because 85344315 - 26 = 85344251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85344317) 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 31 ways as a sum of consecutive naturals, for example, 50301 + ... + 51969.

It is an arithmetic number, because the mean of its divisors is an integer number (4889760).

Almost surely, 285344315 is an apocalyptic number.

85344315 is a deficient number, since it is larger than the sum of its proper divisors (71128005).

85344315 is a wasteful number, since it uses less digits than its factorization.

85344315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171.

The product of its digits is 28800, while the sum is 33.

The square root of 85344315 is about 9238.1986880560. The cubic root of 85344315 is about 440.2758514719.

The spelling of 85344315 in words is "eighty-five million, three hundred forty-four thousand, three hundred fifteen".

Divisors: 1 3 5 7 15 21 35 105 487 1461 1669 2435 3409 5007 7305 8345 10227 11683 17045 25035 35049 51135 58415 175245 812803 2438409 4064015 5689621 12192045 17068863 28448105 85344315