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85868601 = 3713378501
BaseRepresentation
bin1010001111001…
…00000000111001
312222120120120120
411013210000321
5133440243401
612304243453
72061604530
oct507440071
9188516516
1085868601
114451a395
1224910589
1314a36630
14b593317
157812836
hex51e4039

85868601 has 32 divisors (see below), whose sum is σ = 144738048. Its totient is φ = 44064000.

The previous prime is 85868597. The next prime is 85868609. The reversal of 85868601 is 10686858.

It is not a de Polignac number, because 85868601 - 22 = 85868597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85868609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5851 + ... + 14351.

It is an arithmetic number, because the mean of its divisors is an integer number (4523064).

Almost surely, 285868601 is an apocalyptic number.

It is an amenable number.

85868601 is a deficient number, since it is larger than the sum of its proper divisors (58869447).

85868601 is a wasteful number, since it uses less digits than its factorization.

85868601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 85868601 is about 9266.5312280270. The cubic root of 85868601 is about 441.1755770659.

The spelling of 85868601 in words is "eighty-five million, eight hundred sixty-eight thousand, six hundred one".

Divisors: 1 3 7 13 21 37 39 91 111 259 273 481 777 1443 3367 8501 10101 25503 59507 110513 178521 314537 331539 773591 943611 2201759 2320773 4088981 6605277 12266943 28622867 85868601