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71100461 is a prime number
BaseRepresentation
bin1000011110011…
…10100000101101
311221210021111102
410033032200231
5121200203321
611015532445
71522225655
oct417164055
9157707442
1071100461
1137152913
121b98a125
13119656a3
14962b365
156396c0b
hex43ce82d

71100461 has 2 divisors, whose sum is σ = 71100462. Its totient is φ = 71100460.

The previous prime is 71100439. The next prime is 71100473. The reversal of 71100461 is 16400117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70879561 + 220900 = 8419^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 71100461 - 222 = 66906157 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 (71100481) 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, 35550230 + 35550231.

It is an arithmetic number, because the mean of its divisors is an integer number (35550231).

Almost surely, 271100461 is an apocalyptic number.

It is an amenable number.

71100461 is a deficient number, since it is larger than the sum of its proper divisors (1).

71100461 is an equidigital number, since it uses as much as digits as its factorization.

71100461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 71100461 is about 8432.1089295620. The cubic root of 71100461 is about 414.2769836957.

Adding to 71100461 its reverse (16400117), we get a palindrome (87500578).

The spelling of 71100461 in words is "seventy-one million, one hundred thousand, four hundred sixty-one".