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85803005 = 537334597
BaseRepresentation
bin1010001110100…
…11111111111101
312222110020121002
411013103333331
5133431144010
612303020045
72061212351
oct507237775
9188406532
1085803005
1144485082
122489a625
1314a12812
14b577461
1577ed1a5
hex51d3ffd

85803005 has 8 divisors (see below), whose sum is σ = 103013592. Its totient is φ = 68609088.

The previous prime is 85802987. The next prime is 85803013. The reversal of 85803005 is 50030858.

It can be written as a sum of positive squares in 4 ways, for example, as 683929 + 85119076 = 827^2 + 9226^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85803005 - 214 = 85786621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16367 + ... + 20963.

It is an arithmetic number, because the mean of its divisors is an integer number (12876699).

Almost surely, 285803005 is an apocalyptic number.

It is an amenable number.

85803005 is a deficient number, since it is larger than the sum of its proper divisors (17210587).

85803005 is a wasteful number, since it uses less digits than its factorization.

85803005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 85803005 is about 9262.9911475721. The cubic root of 85803005 is about 441.0632087692.

The spelling of 85803005 in words is "eighty-five million, eight hundred three thousand, five".

Divisors: 1 5 3733 4597 18665 22985 17160601 85803005