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85127128 = 2322347717
BaseRepresentation
bin1010001001011…
…10111111011000
312221011220110121
411010232333120
5133243032003
612240323024
72052366022
oct504567730
9187156417
1085127128
11440632a9
1224613474
1314836ca8
14b43d012
157717cbd
hex512efd8

85127128 has 16 divisors (see below), whose sum is σ = 160332480. Its totient is φ = 42371808.

The previous prime is 85127123. The next prime is 85127129. The reversal of 85127128 is 82172158.

It is a junction number, because it is equal to n+sod(n) for n = 85127093 and 85127102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85127123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22075 + ... + 25642.

It is an arithmetic number, because the mean of its divisors is an integer number (10020780).

Almost surely, 285127128 is an apocalyptic number.

It is an amenable number.

85127128 is a deficient number, since it is larger than the sum of its proper divisors (75205352).

85127128 is a wasteful number, since it uses less digits than its factorization.

85127128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47946 (or 47942 counting only the distinct ones).

The product of its digits is 8960, while the sum is 34.

The square root of 85127128 is about 9226.4363651412. The cubic root of 85127128 is about 439.9020580900.

The spelling of 85127128 in words is "eighty-five million, one hundred twenty-seven thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 223 446 892 1784 47717 95434 190868 381736 10640891 21281782 42563564 85127128