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85785693 = 374085033
BaseRepresentation
bin1010001110011…
…11110001011101
312222102100211220
411013033301131
5133430120233
612302403553
72061111030
oct507176135
9188370756
1085785693
1144473074
12248905b9
1314a07986
14b571017
1577e7eb3
hex51cfc5d

85785693 has 8 divisors (see below), whose sum is σ = 130721088. Its totient is φ = 49020384.

The previous prime is 85785691. The next prime is 85785697. The reversal of 85785693 is 39658758.

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

It is not a de Polignac number, because 85785693 - 21 = 85785691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85785691) 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, 2042496 + ... + 2042537.

It is an arithmetic number, because the mean of its divisors is an integer number (16340136).

Almost surely, 285785693 is an apocalyptic number.

It is an amenable number.

85785693 is a deficient number, since it is larger than the sum of its proper divisors (44935395).

85785693 is a wasteful number, since it uses less digits than its factorization.

85785693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085043.

The product of its digits is 1814400, while the sum is 51.

The square root of 85785693 is about 9262.0566290646. The cubic root of 85785693 is about 441.0335431420.

The spelling of 85785693 in words is "eighty-five million, seven hundred eighty-five thousand, six hundred ninety-three".

Divisors: 1 3 7 21 4085033 12255099 28595231 85785693