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85790843 = 1133072473
BaseRepresentation
bin1010001110100…
…01000001111011
312222102121220122
411013101001323
5133430301333
612302443455
72061132035
oct507210173
9188377818
1085790843
1144476a26
122489358b
1314a0a118
14b572c55
1577e9798
hex51d107b

85790843 has 8 divisors (see below), whose sum is σ = 86867088. Its totient is φ = 84720384.

The previous prime is 85790821. The next prime is 85790849. The reversal of 85790843 is 34809758.

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 85790843 - 28 = 85790587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85790794 and 85790803.

It is not an unprimeable number, because it can be changed into a prime (85790849) 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 7 ways as a sum of consecutive naturals, for example, 33455 + ... + 35927.

It is an arithmetic number, because the mean of its divisors is an integer number (10858386).

Almost surely, 285790843 is an apocalyptic number.

85790843 is a deficient number, since it is larger than the sum of its proper divisors (1076245).

85790843 is a wasteful number, since it uses less digits than its factorization.

85790843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 85790843 is about 9262.3346408991. The cubic root of 85790843 is about 441.0423685347.

The spelling of 85790843 in words is "eighty-five million, seven hundred ninety thousand, eight hundred forty-three".

Divisors: 1 113 307 2473 34691 279449 759211 85790843