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85195836 = 223211215141
BaseRepresentation
bin1010001001111…
…11110000111100
312221022101201100
411010333300330
5133302231321
612242013100
72053103235
oct504776074
9187271640
1085195836
11440aa990
1224647190
131485c34b
14b45a08c
15772d326
hex513fc3c

85195836 has 36 divisors (see below), whose sum is σ = 234935064. Its totient is φ = 25816800.

The previous prime is 85195813. The next prime is 85195837. The reversal of 85195836 is 63859158.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 85195791 and 85195800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85195837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107175 + ... + 107966.

It is an arithmetic number, because the mean of its divisors is an integer number (6525974).

Almost surely, 285195836 is an apocalyptic number.

It is an amenable number.

85195836 is an abundant number, since it is smaller than the sum of its proper divisors (149739228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85195836 is a wasteful number, since it uses less digits than its factorization.

85195836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215162 (or 215157 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 85195836 is about 9230.1590452169. The cubic root of 85195836 is about 440.0203778441.

The spelling of 85195836 in words is "eighty-five million, one hundred ninety-five thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 215141 430282 645423 860564 1290846 1936269 2366551 2581692 3872538 4733102 7099653 7745076 9466204 14199306 21298959 28398612 42597918 85195836