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85930043 is a prime number
BaseRepresentation
bin1010001111100…
…11000000111011
312222200200212012
411013303000323
5133444230133
612305440135
72062251623
oct507630073
9188620765
1085930043
1144561571
122494004b
1314a585a4
14b5ab883
157825b48
hex51f303b

85930043 has 2 divisors, whose sum is σ = 85930044. Its totient is φ = 85930042.

The previous prime is 85930007. The next prime is 85930049. The reversal of 85930043 is 34003958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85930043 - 28 = 85929787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85929991 and 85930009.

It is not a weakly prime, because it can be changed into another prime (85930049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42965021 + 42965022.

It is an arithmetic number, because the mean of its divisors is an integer number (42965022).

Almost surely, 285930043 is an apocalyptic number.

85930043 is a deficient number, since it is larger than the sum of its proper divisors (1).

85930043 is an equidigital number, since it uses as much as digits as its factorization.

85930043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 85930043 is about 9269.8458994743. The cubic root of 85930043 is about 441.2807775187.

The spelling of 85930043 in words is "eighty-five million, nine hundred thirty thousand, forty-three".