Search a number
-
+
186382241 is a prime number
BaseRepresentation
bin10110001101111…
…11011110100001
3110222201012100222
423012333132201
5340203212431
630254452425
74422136313
oct1306773641
9428635328
10186382241
1196231811
1252504115
132c7c9b66
141aa797b3
151156957b
hexb1bf7a1

186382241 has 2 divisors, whose sum is σ = 186382242. Its totient is φ = 186382240.

The previous prime is 186382211. The next prime is 186382243. The reversal of 186382241 is 142283681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150430225 + 35952016 = 12265^2 + 5996^2 .

It is a cyclic number.

It is not a de Polignac number, because 186382241 - 26 = 186382177 is a prime.

Together with 186382243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (186382243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93191120 + 93191121.

It is an arithmetic number, because the mean of its divisors is an integer number (93191121).

Almost surely, 2186382241 is an apocalyptic number.

It is an amenable number.

186382241 is a deficient number, since it is larger than the sum of its proper divisors (1).

186382241 is an equidigital number, since it uses as much as digits as its factorization.

186382241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 186382241 is about 13652.1881396353. The cubic root of 186382241 is about 571.2175073571.

The spelling of 186382241 in words is "one hundred eighty-six million, three hundred eighty-two thousand, two hundred forty-one".