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680075093 is a prime number
BaseRepresentation
bin101000100010010…
…001111101010101
31202101200101122102
4220202101331111
52343044400333
6151252211445
722565354135
oct5042217525
91671611572
10680075093
11319980535
1216b909b85
13aab841c9
146646cac5
153ea88ae8
hex28891f55

680075093 has 2 divisors, whose sum is σ = 680075094. Its totient is φ = 680075092.

The previous prime is 680075083. The next prime is 680075107. The reversal of 680075093 is 390570086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 627903364 + 52171729 = 25058^2 + 7223^2 .

It is a cyclic number.

It is not a de Polignac number, because 680075093 - 26 = 680075029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680075083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340037546 + 340037547.

It is an arithmetic number, because the mean of its divisors is an integer number (340037547).

Almost surely, 2680075093 is an apocalyptic number.

It is an amenable number.

680075093 is a deficient number, since it is larger than the sum of its proper divisors (1).

680075093 is an equidigital number, since it uses as much as digits as its factorization.

680075093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 680075093 is about 26078.2494236097. The cubic root of 680075093 is about 879.3983029589.

The spelling of 680075093 in words is "six hundred eighty million, seventy-five thousand, ninety-three".