Search a number
-
+
71074417 is a prime number
BaseRepresentation
bin1000011110010…
…00001001110001
311221201221202211
410033020021301
5121143340132
611015212121
71522060021
oct417101161
9157657684
1071074417
1137135297
121b977041
131195688b
149621a81
15638e147
hex43c8271

71074417 has 2 divisors, whose sum is σ = 71074418. Its totient is φ = 71074416.

The previous prime is 71074411. The next prime is 71074427. The reversal of 71074417 is 71447017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50680161 + 20394256 = 7119^2 + 4516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71074417 is a prime.

It is not a weakly prime, because it can be changed into another prime (71074411) 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, 35537208 + 35537209.

It is an arithmetic number, because the mean of its divisors is an integer number (35537209).

Almost surely, 271074417 is an apocalyptic number.

It is an amenable number.

71074417 is a deficient number, since it is larger than the sum of its proper divisors (1).

71074417 is an equidigital number, since it uses as much as digits as its factorization.

71074417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 71074417 is about 8430.5644532261. The cubic root of 71074417 is about 414.2263944906.

The spelling of 71074417 in words is "seventy-one million, seventy-four thousand, four hundred seventeen".