Search a number
-
+
71364457 is a prime number
BaseRepresentation
bin1000100000011…
…10111101101001
311222021200122001
410100032331221
5121232130312
611025331001
71524405433
oct420167551
9158250561
1071364457
113731319a
121ba96a61
1311a288b8
149699653
1563ea057
hex440ef69

71364457 has 2 divisors, whose sum is σ = 71364458. Its totient is φ = 71364456.

The previous prime is 71364451. The next prime is 71364463. The reversal of 71364457 is 75446317.

It is a balanced prime because it is at equal distance from previous prime (71364451) and next prime (71364463).

It can be written as a sum of positive squares in only one way, i.e., 40717161 + 30647296 = 6381^2 + 5536^2 .

It is a cyclic number.

It is not a de Polignac number, because 71364457 - 27 = 71364329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71364451) 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, 35682228 + 35682229.

It is an arithmetic number, because the mean of its divisors is an integer number (35682229).

Almost surely, 271364457 is an apocalyptic number.

It is an amenable number.

71364457 is a deficient number, since it is larger than the sum of its proper divisors (1).

71364457 is an equidigital number, since it uses as much as digits as its factorization.

71364457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 71364457 is about 8447.7486349915. The cubic root of 71364457 is about 414.7890871951.

The spelling of 71364457 in words is "seventy-one million, three hundred sixty-four thousand, four hundred fifty-seven".