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70384169 is a prime number
BaseRepresentation
bin1000011000111…
…11101000101001
311220102212221002
410030133220221
5121004243134
610552324345
71513153442
oct414375051
9156385832
1070384169
1136803739
121b6a36b5
131177464b
1494c22c9
1562a487e
hex431fa29

70384169 has 2 divisors, whose sum is σ = 70384170. Its totient is φ = 70384168.

The previous prime is 70384157. The next prime is 70384177. The reversal of 70384169 is 96148307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58905625 + 11478544 = 7675^2 + 3388^2 .

It is a cyclic number.

It is not a de Polignac number, because 70384169 - 28 = 70383913 is a prime.

It is a super-2 number, since 2×703841692 = 9907862491641122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70381169) 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, 35192084 + 35192085.

It is an arithmetic number, because the mean of its divisors is an integer number (35192085).

Almost surely, 270384169 is an apocalyptic number.

It is an amenable number.

70384169 is a deficient number, since it is larger than the sum of its proper divisors (1).

70384169 is an equidigital number, since it uses as much as digits as its factorization.

70384169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 70384169 is about 8389.5273406790. The cubic root of 70384169 is about 412.8810930545.

The spelling of 70384169 in words is "seventy million, three hundred eighty-four thousand, one hundred sixty-nine".