Search a number
-
+
194184229 is a prime number
BaseRepresentation
bin10111001001100…
…00010000100101
3111112101120200111
423210300100211
5344202343404
631134013021
74545352531
oct1344602045
9445346614
10194184229
119a680538
1255047171
13312cc115
141bb0abc1
15120ab104
hexb930425

194184229 has 2 divisors, whose sum is σ = 194184230. Its totient is φ = 194184228.

The previous prime is 194184223. The next prime is 194184247. The reversal of 194184229 is 922481491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194184225 + 4 = 13935^2 + 2^2 .

It is an emirp because it is prime and its reverse (922481491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194184229 - 225 = 160629797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194184191 and 194184200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194184223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97092114 + 97092115.

It is an arithmetic number, because the mean of its divisors is an integer number (97092115).

Almost surely, 2194184229 is an apocalyptic number.

It is an amenable number.

194184229 is a deficient number, since it is larger than the sum of its proper divisors (1).

194184229 is an equidigital number, since it uses as much as digits as its factorization.

194184229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 194184229 is about 13935.0001435235. Note that the first 3 decimals coincide. The cubic root of 194184229 is about 579.0792256882.

The spelling of 194184229 in words is "one hundred ninety-four million, one hundred eighty-four thousand, two hundred twenty-nine".