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71484229 is a prime number
BaseRepresentation
bin1000100001011…
…00001101000101
311222111202221001
410100230031011
5121244443404
611032053301
71525414555
oct420541505
9158452831
1071484229
1137395183
121bb34231
1311a6b27b
1496cb165
1564207a4
hex442c345

71484229 has 2 divisors, whose sum is σ = 71484230. Its totient is φ = 71484228.

The previous prime is 71484221. The next prime is 71484241. The reversal of 71484229 is 92248417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37576900 + 33907329 = 6130^2 + 5823^2 .

It is a cyclic number.

It is not a de Polignac number, because 71484229 - 23 = 71484221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71484221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35742114 + 35742115.

It is an arithmetic number, because the mean of its divisors is an integer number (35742115).

Almost surely, 271484229 is an apocalyptic number.

It is an amenable number.

71484229 is a deficient number, since it is larger than the sum of its proper divisors (1).

71484229 is an equidigital number, since it uses as much as digits as its factorization.

71484229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 71484229 is about 8454.8346524341. The cubic root of 71484229 is about 415.0210063398.

The spelling of 71484229 in words is "seventy-one million, four hundred eighty-four thousand, two hundred twenty-nine".