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85340185 = 5729831013
BaseRepresentation
bin1010001011000…
…11000000011001
312221120201201121
411011203000121
5133321341220
612245045241
72054244130
oct505430031
9187521647
1085340185
1144199387
12246b6821
13148acc68
14b496917
15775aeaa
hex5163019

85340185 has 32 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 55765248.

The previous prime is 85340141. The next prime is 85340201. The reversal of 85340185 is 58104358.

It is not a de Polignac number, because 85340185 - 211 = 85338137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85340185.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83739 + ... + 84751.

It is an arithmetic number, because the mean of its divisors is an integer number (3832920).

Almost surely, 285340185 is an apocalyptic number.

It is an amenable number.

85340185 is a deficient number, since it is larger than the sum of its proper divisors (37313255).

85340185 is a wasteful number, since it uses less digits than its factorization.

85340185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 85340185 is about 9237.9751569270. The cubic root of 85340185 is about 440.2687493835.

The spelling of 85340185 in words is "eighty-five million, three hundred forty thousand, one hundred eighty-five".

Divisors: 1 5 7 29 35 83 145 203 415 581 1013 1015 2407 2905 5065 7091 12035 16849 29377 35455 84079 84245 146885 205639 420395 588553 1028195 2438291 2942765 12191455 17068037 85340185