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69494393 is a prime number
BaseRepresentation
bin1000010010001…
…10011001111001
311211202200101102
410021012121321
5120242310033
610521301145
71502456363
oct411063171
9154680342
1069494393
1136256191
121b3347b5
1311522657
14932dd33
15617ade8
hex4246679

69494393 has 2 divisors, whose sum is σ = 69494394. Its totient is φ = 69494392.

The previous prime is 69494387. The next prime is 69494429. The reversal of 69494393 is 39349496.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58491904 + 11002489 = 7648^2 + 3317^2 .

It is a cyclic number.

It is not a de Polignac number, because 69494393 - 24 = 69494377 is a prime.

It is not a weakly prime, because it can be changed into another prime (69454393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34747196 + 34747197.

It is an arithmetic number, because the mean of its divisors is an integer number (34747197).

Almost surely, 269494393 is an apocalyptic number.

It is an amenable number.

69494393 is a deficient number, since it is larger than the sum of its proper divisors (1).

69494393 is an equidigital number, since it uses as much as digits as its factorization.

69494393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 47.

The square root of 69494393 is about 8336.3297079710. The cubic root of 69494393 is about 411.1338690889.

The spelling of 69494393 in words is "sixty-nine million, four hundred ninety-four thousand, three hundred ninety-three".