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71458741 is a prime number
BaseRepresentation
bin1000100001001…
…01111110110101
311222110110222001
410100211332311
5121243134431
611031335301
71525250344
oct420457665
9158413861
1071458741
1137378012
121bb21531
1311a5c7a3
1496c1b5b
156417e61
hex4425fb5

71458741 has 2 divisors, whose sum is σ = 71458742. Its totient is φ = 71458740.

The previous prime is 71458703. The next prime is 71458747. The reversal of 71458741 is 14785417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60000516 + 11458225 = 7746^2 + 3385^2 .

It is a cyclic number.

It is not a de Polignac number, because 71458741 - 29 = 71458229 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71458741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71458747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35729370 + 35729371.

It is an arithmetic number, because the mean of its divisors is an integer number (35729371).

Almost surely, 271458741 is an apocalyptic number.

It is an amenable number.

71458741 is a deficient number, since it is larger than the sum of its proper divisors (1).

71458741 is an equidigital number, since it uses as much as digits as its factorization.

71458741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 37.

The square root of 71458741 is about 8453.3272147717. The cubic root of 71458741 is about 414.9716746526.

The spelling of 71458741 in words is "seventy-one million, four hundred fifty-eight thousand, seven hundred forty-one".