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85801130 = 258580113
BaseRepresentation
bin1010001110100…
…11100010101010
312222110011000122
411013103202222
5133431114010
612303003242
72061204032
oct507234252
9188404018
1085801130
1144483728
1224899522
1314a119cc
14b5768c2
1577ec855
hex51d38aa

85801130 has 8 divisors (see below), whose sum is σ = 154442052. Its totient is φ = 34320448.

The previous prime is 85801129. The next prime is 85801139. The reversal of 85801130 is 3110858.

It can be written as a sum of positive squares in 2 ways, for example, as 72573361 + 13227769 = 8519^2 + 3637^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 85801130.

It is not an unprimeable number, because it can be changed into a prime (85801139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4290047 + ... + 4290066.

Almost surely, 285801130 is an apocalyptic number.

85801130 is a deficient number, since it is larger than the sum of its proper divisors (68640922).

85801130 is a wasteful number, since it uses less digits than its factorization.

85801130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580120.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 85801130 is about 9262.8899378110. The cubic root of 85801130 is about 441.0599959852.

Adding to 85801130 its reverse (3110858), we get a palindrome (88911988).

The spelling of 85801130 in words is "eighty-five million, eight hundred one thousand, one hundred thirty".

Divisors: 1 2 5 10 8580113 17160226 42900565 85801130