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69027397 is a prime number
BaseRepresentation
bin1000001110101…
…00011001000101
311210212221210021
410013110121011
5120132334042
610503255141
71465503025
oct407243105
9153787707
1069027397
1135a6733a
121b14a4b1
13113bac1a
14924ba85
1560d7867
hex41d4645

69027397 has 2 divisors, whose sum is σ = 69027398. Its totient is φ = 69027396.

The previous prime is 69027389. The next prime is 69027401. The reversal of 69027397 is 79372096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37957921 + 31069476 = 6161^2 + 5574^2 .

It is a cyclic number.

It is not a de Polignac number, because 69027397 - 23 = 69027389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69027307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34513698 + 34513699.

It is an arithmetic number, because the mean of its divisors is an integer number (34513699).

Almost surely, 269027397 is an apocalyptic number.

It is an amenable number.

69027397 is a deficient number, since it is larger than the sum of its proper divisors (1).

69027397 is an equidigital number, since it uses as much as digits as its factorization.

69027397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 69027397 is about 8308.2728048614. The cubic root of 69027397 is about 410.2108711019.

The spelling of 69027397 in words is "sixty-nine million, twenty-seven thousand, three hundred ninety-seven".