Search a number
-
+
171984341 is a prime number
BaseRepresentation
bin10100100000001…
…00010111010101
3102222121201011102
422100010113111
5323011444331
625022115445
74155562034
oct1220042725
9388551142
10171984341
1189098421
124971bb85
13298285a9
1418bac71b
15101734cb
hexa4045d5

171984341 has 2 divisors, whose sum is σ = 171984342. Its totient is φ = 171984340.

The previous prime is 171984301. The next prime is 171984347. The reversal of 171984341 is 143489171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158508100 + 13476241 = 12590^2 + 3671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-171984341 is a prime.

It is a super-2 number, since 2×1719843412 = 59157227098408562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 171984295 and 171984304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171984347) 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, 85992170 + 85992171.

It is an arithmetic number, because the mean of its divisors is an integer number (85992171).

Almost surely, 2171984341 is an apocalyptic number.

It is an amenable number.

171984341 is a deficient number, since it is larger than the sum of its proper divisors (1).

171984341 is an equidigital number, since it uses as much as digits as its factorization.

171984341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 171984341 is about 13114.2800412375. The cubic root of 171984341 is about 556.1128993257.

The spelling of 171984341 in words is "one hundred seventy-one million, nine hundred eighty-four thousand, three hundred forty-one".