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85155741 = 32117311783
BaseRepresentation
bin1010001001101…
…01111110011101
312221020100201100
411010311332131
5133244440431
612241103313
72052545316
oct504657635
9187210640
1085155741
1144082850
1224627b39
1314847018
14b44960d
1577214e6
hex5135f9d

85155741 has 24 divisors (see below), whose sum is σ = 136034496. Its totient is φ = 50898240.

The previous prime is 85155713. The next prime is 85155743. The reversal of 85155741 is 14755158.

85155741 is a `hidden beast` number, since 85 + 1 + 5 + 574 + 1 = 666.

It is not a de Polignac number, because 85155741 - 26 = 85155677 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85155696 and 85155705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85155743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1336 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (5668104).

Almost surely, 285155741 is an apocalyptic number.

It is an amenable number.

85155741 is a deficient number, since it is larger than the sum of its proper divisors (50878755).

85155741 is a wasteful number, since it uses less digits than its factorization.

85155741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11873 (or 11870 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 85155741 is about 9227.9868335407. The cubic root of 85155741 is about 439.9513393157.

The spelling of 85155741 in words is "eighty-five million, one hundred fifty-five thousand, seven hundred forty-one".

Divisors: 1 3 9 11 33 73 99 219 657 803 2409 7227 11783 35349 106047 129613 388839 860159 1166517 2580477 7741431 9461749 28385247 85155741