Search a number
-
+
93089471 is a prime number
BaseRepresentation
bin1011000110001…
…10111010111111
320111011102202012
411203012322333
5142312330341
613123121435
72210150606
oct543067277
9214142665
1093089471
1148601552
122721327b
1316394237
14c512a3d
15828c0eb
hex58c6ebf

93089471 has 2 divisors, whose sum is σ = 93089472. Its totient is φ = 93089470.

The previous prime is 93089459. The next prime is 93089473. The reversal of 93089471 is 17498039.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 93089471 - 26 = 93089407 is a prime.

It is a super-3 number, since 3×930894713 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 93089473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93089473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46544735 + 46544736.

It is an arithmetic number, because the mean of its divisors is an integer number (46544736).

Almost surely, 293089471 is an apocalyptic number.

93089471 is a deficient number, since it is larger than the sum of its proper divisors (1).

93089471 is an equidigital number, since it uses as much as digits as its factorization.

93089471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 93089471 is about 9648.2885010762. The cubic root of 93089471 is about 453.2107341604.

The spelling of 93089471 in words is "ninety-three million, eighty-nine thousand, four hundred seventy-one".