Search a number
-
+
1086290893 is a prime number
BaseRepresentation
bin100000010111111…
…0111101111001101
32210201001021222001
41000233313233031
54211042302033
6255442552301
735630214562
oct10057675715
92721037861
101086290893
11508201476
12263968691
13144090a9c
14a43b0869
1565578e7d
hex40bf7bcd

1086290893 has 2 divisors, whose sum is σ = 1086290894. Its totient is φ = 1086290892.

The previous prime is 1086290861. The next prime is 1086290923. The reversal of 1086290893 is 3980926801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 847217449 + 239073444 = 29107^2 + 15462^2 .

It is an emirp because it is prime and its reverse (3980926801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1086290893 - 25 = 1086290861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1086290593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543145446 + 543145447.

It is an arithmetic number, because the mean of its divisors is an integer number (543145447).

Almost surely, 21086290893 is an apocalyptic number.

It is an amenable number.

1086290893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086290893 is an equidigital number, since it uses as much as digits as its factorization.

1086290893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1086290893 is about 32958.9273642211. The cubic root of 1086290893 is about 1027.9738006641.

The spelling of 1086290893 in words is "one billion, eighty-six million, two hundred ninety thousand, eight hundred ninety-three".