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85805753 = 1141918617
BaseRepresentation
bin1010001110101…
…00101010111001
312222110101100212
411013110222321
5133431241003
612303040505
72061223355
oct507245271
9188411325
1085805753
1144487150
12248a0135
1314a13b47
14b578465
1577eddd8
hex51d4ab9

85805753 has 8 divisors (see below), whose sum is σ = 93834720. Its totient is φ = 77814880.

The previous prime is 85805723. The next prime is 85805777. The reversal of 85805753 is 35750858.

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

It is not a de Polignac number, because 85805753 - 26 = 85805689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85805753.

It is not an unprimeable number, because it can be changed into a prime (85805723) 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, 4700 + ... + 13917.

It is an arithmetic number, because the mean of its divisors is an integer number (11729340).

Almost surely, 285805753 is an apocalyptic number.

It is an amenable number.

85805753 is a deficient number, since it is larger than the sum of its proper divisors (8028967).

85805753 is a wasteful number, since it uses less digits than its factorization.

85805753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19047.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 85805753 is about 9263.1394786001. The cubic root of 85805753 is about 441.0679173407.

The spelling of 85805753 in words is "eighty-five million, eight hundred five thousand, seven hundred fifty-three".

Divisors: 1 11 419 4609 18617 204787 7800523 85805753