Search a number
-
+
83050109 is a prime number
BaseRepresentation
bin1001111001100…
…11111001111101
312210021101022222
410330303321331
5132230100414
612124015125
72025625412
oct474637175
9183241288
1083050109
114297485a
12239914a5
131428a79c
14b05c109
15745768e
hex4f33e7d

83050109 has 2 divisors, whose sum is σ = 83050110. Its totient is φ = 83050108.

The previous prime is 83050091. The next prime is 83050169. The reversal of 83050109 is 90105038.

Together with previous prime (83050091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67289209 + 15760900 = 8203^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 83050109 - 220 = 82001533 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83050169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41525054 + 41525055.

It is an arithmetic number, because the mean of its divisors is an integer number (41525055).

Almost surely, 283050109 is an apocalyptic number.

It is an amenable number.

83050109 is a deficient number, since it is larger than the sum of its proper divisors (1).

83050109 is an equidigital number, since it uses as much as digits as its factorization.

83050109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 83050109 is about 9113.1832528486. The cubic root of 83050109 is about 436.2948322166.

The spelling of 83050109 in words is "eighty-three million, fifty thousand, one hundred nine".