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93169081 is a prime number
BaseRepresentation
bin1011000110110…
…10010110111001
320111022110221201
411203122112321
5142322402311
613124534201
72210631655
oct543322671
9214273851
1093169081
1148656345
1227251361
13163c1545
14c533a65
1582a59c1
hex58da5b9

93169081 has 2 divisors, whose sum is σ = 93169082. Its totient is φ = 93169080.

The previous prime is 93169079. The next prime is 93169121. The reversal of 93169081 is 18096139.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67322025 + 25847056 = 8205^2 + 5084^2 .

It is an emirp because it is prime and its reverse (18096139) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93169081 - 21 = 93169079 is a prime.

It is a super-2 number, since 2×931690812 = 17360955308769122, which contains 22 as substring.

Together with 93169079, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 93169081.

It is not a weakly prime, because it can be changed into another prime (93169031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46584540 + 46584541.

It is an arithmetic number, because the mean of its divisors is an integer number (46584541).

Almost surely, 293169081 is an apocalyptic number.

It is an amenable number.

93169081 is a deficient number, since it is larger than the sum of its proper divisors (1).

93169081 is an equidigital number, since it uses as much as digits as its factorization.

93169081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 93169081 is about 9652.4132215731. The cubic root of 93169081 is about 453.3398924344.

The spelling of 93169081 in words is "ninety-three million, one hundred sixty-nine thousand, eighty-one".