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85801366 = 2731197699
BaseRepresentation
bin1010001110100…
…11100110010110
312222110011100101
411013103212112
5133431120431
612303004314
72061204520
oct507234626
9188404311
1085801366
1144483922
122489969a
1314a11b51
14b576a10
1577ec961
hex51d3996

85801366 has 16 divisors (see below), whose sum is σ = 151833600. Its totient is φ = 35585640.

The previous prime is 85801361. The next prime is 85801381. The reversal of 85801366 is 66310858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85801361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98416 + ... + 99283.

It is an arithmetic number, because the mean of its divisors is an integer number (9489600).

Almost surely, 285801366 is an apocalyptic number.

85801366 is a deficient number, since it is larger than the sum of its proper divisors (66032234).

85801366 is a wasteful number, since it uses less digits than its factorization.

85801366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197739.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 85801366 is about 9262.9026768071. The cubic root of 85801366 is about 441.0604003702.

The spelling of 85801366 in words is "eighty-five million, eight hundred one thousand, three hundred sixty-six".

Divisors: 1 2 7 14 31 62 217 434 197699 395398 1383893 2767786 6128669 12257338 42900683 85801366