Search a number
-
+
271909093 is a prime number
BaseRepresentation
bin10000001101010…
…000000011100101
3200221122102011011
4100031100003211
51024102042333
642551542221
76511121611
oct2015200345
9627572134
10271909093
1112a538365
127708a971
1344443a71
1428180341
1518d109cd
hex103500e5

271909093 has 2 divisors, whose sum is σ = 271909094. Its totient is φ = 271909092.

The previous prime is 271909063. The next prime is 271909103. The reversal of 271909093 is 390909172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224340484 + 47568609 = 14978^2 + 6897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-271909093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271909063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135954546 + 135954547.

It is an arithmetic number, because the mean of its divisors is an integer number (135954547).

Almost surely, 2271909093 is an apocalyptic number.

It is an amenable number.

271909093 is a deficient number, since it is larger than the sum of its proper divisors (1).

271909093 is an equidigital number, since it uses as much as digits as its factorization.

271909093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 271909093 is about 16489.6662488966. Note that the first 3 decimals coincide. The cubic root of 271909093 is about 647.8501700091.

The spelling of 271909093 in words is "two hundred seventy-one million, nine hundred nine thousand, ninety-three".