Search a number
-
+
71112341 is a prime number
BaseRepresentation
bin1000011110100…
…01011010010101
311221210212210102
410033101122111
5121201043331
611020103445
71522305416
oct417213225
9157725712
1071112341
1137160833
121b994b85
131196ac11
14963180d
15639a4cb
hex43d1695

71112341 has 2 divisors, whose sum is σ = 71112342. Its totient is φ = 71112340.

The previous prime is 71112329. The next prime is 71112359. The reversal of 71112341 is 14321117.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 19989841 = 7150^2 + 4471^2 .

It is a cyclic number.

It is not a de Polignac number, because 71112341 - 214 = 71095957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71112541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35556170 + 35556171.

It is an arithmetic number, because the mean of its divisors is an integer number (35556171).

Almost surely, 271112341 is an apocalyptic number.

It is an amenable number.

71112341 is a deficient number, since it is larger than the sum of its proper divisors (1).

71112341 is an equidigital number, since it uses as much as digits as its factorization.

71112341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 20.

The square root of 71112341 is about 8432.8133502408. The cubic root of 71112341 is about 414.3000559160.

Adding to 71112341 its reverse (14321117), we get a palindrome (85433458).

The spelling of 71112341 in words is "seventy-one million, one hundred twelve thousand, three hundred forty-one".