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69382949 is a prime number
BaseRepresentation
bin1000010001010…
…11001100100101
311211120000111212
410020223030211
5120230223244
610515041205
71501513436
oct410531445
9154500455
1069382949
113618a489
121b2a0205
13114b39cc
14930148d
156157d9e
hex422b325

69382949 has 2 divisors, whose sum is σ = 69382950. Its totient is φ = 69382948.

The previous prime is 69382931. The next prime is 69382961. The reversal of 69382949 is 94928396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50154724 + 19228225 = 7082^2 + 4385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69382949 is a prime.

It is a super-2 number, since 2×693829492 = 9627987223873202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69382897 and 69382906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69382909) 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, 34691474 + 34691475.

It is an arithmetic number, because the mean of its divisors is an integer number (34691475).

Almost surely, 269382949 is an apocalyptic number.

It is an amenable number.

69382949 is a deficient number, since it is larger than the sum of its proper divisors (1).

69382949 is an equidigital number, since it uses as much as digits as its factorization.

69382949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The square root of 69382949 is about 8329.6427894598. The cubic root of 69382949 is about 410.9139812445.

The spelling of 69382949 in words is "sixty-nine million, three hundred eighty-two thousand, nine hundred forty-nine".