Search a number
-
+
71446229 is a prime number
BaseRepresentation
bin1000100001000…
…10111011010101
311222102211210122
410100202323111
5121242234404
611031201325
71525166021
oct420427325
9158384718
1071446229
1137369678
121bb16245
1311a56b9a
1496bb381
1564143be
hex4422ed5

71446229 has 2 divisors, whose sum is σ = 71446230. Its totient is φ = 71446228.

The previous prime is 71446183. The next prime is 71446247. The reversal of 71446229 is 92264417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67732900 + 3713329 = 8230^2 + 1927^2 .

It is a cyclic number.

It is not a de Polignac number, because 71446229 - 28 = 71445973 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71446129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35723114 + 35723115.

It is an arithmetic number, because the mean of its divisors is an integer number (35723115).

Almost surely, 271446229 is an apocalyptic number.

It is an amenable number.

71446229 is a deficient number, since it is larger than the sum of its proper divisors (1).

71446229 is an equidigital number, since it uses as much as digits as its factorization.

71446229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 71446229 is about 8452.5871187465. The cubic root of 71446229 is about 414.9474535492.

The spelling of 71446229 in words is "seventy-one million, four hundred forty-six thousand, two hundred twenty-nine".