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85086045 = 3451171269
BaseRepresentation
bin1010001001001…
…00111101011101
312221002211010000
411010210331131
5133240223140
612235404513
72052135162
oct504447535
9187084100
1085086045
1144035450
12245b3739
1314821395
14b42c069
15770aa30
hex5124f5d

85086045 has 80 divisors (see below), whose sum is σ = 169361280. Its totient is φ = 40521600.

The previous prime is 85086019. The next prime is 85086049. The reversal of 85086045 is 54068058.

It is a happy number.

It is not a de Polignac number, because 85086045 - 25 = 85086013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85086049) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 316171 + ... + 316439.

It is an arithmetic number, because the mean of its divisors is an integer number (2117016).

Almost surely, 285086045 is an apocalyptic number.

It is an amenable number.

85086045 is a deficient number, since it is larger than the sum of its proper divisors (84275235).

85086045 is a wasteful number, since it uses less digits than its factorization.

85086045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 85086045 is about 9224.2097222472. The cubic root of 85086045 is about 439.8312800088.

The spelling of 85086045 in words is "eighty-five million, eighty-six thousand, forty-five".

Divisors: 1 3 5 9 11 15 27 33 45 55 71 81 99 135 165 213 269 297 355 405 495 639 781 807 891 1065 1345 1485 1917 2343 2421 2959 3195 3905 4035 4455 5751 7029 7263 8877 9585 11715 12105 14795 19099 21087 21789 26631 28755 35145 36315 44385 57297 63261 79893 95495 105435 108945 133155 171891 210089 239679 286485 316305 399465 515673 630267 859455 1050445 1198395 1547019 1890801 2578365 3151335 5672403 7735095 9454005 17017209 28362015 85086045