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69478697 is a prime number
BaseRepresentation
bin1000010010000…
…10100100101001
311211201212212002
410021002210221
5120241304242
610521100345
71502362541
oct411024451
9154655762
1069478697
1136245412
121b3276b5
1311518472
149328321
156176432
hex4242929

69478697 has 2 divisors, whose sum is σ = 69478698. Its totient is φ = 69478696.

The previous prime is 69478679. The next prime is 69478727. The reversal of 69478697 is 79687496.

Together with previous prime (69478679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35652841 + 33825856 = 5971^2 + 5816^2 .

It is a cyclic number.

It is not a de Polignac number, because 69478697 - 210 = 69477673 is a prime.

It is not a weakly prime, because it can be changed into another prime (69478667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34739348 + 34739349.

It is an arithmetic number, because the mean of its divisors is an integer number (34739349).

Almost surely, 269478697 is an apocalyptic number.

It is an amenable number.

69478697 is a deficient number, since it is larger than the sum of its proper divisors (1).

69478697 is an equidigital number, since it uses as much as digits as its factorization.

69478697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 56.

The square root of 69478697 is about 8335.3882333098. The cubic root of 69478697 is about 411.1029138668.

The spelling of 69478697 in words is "sixty-nine million, four hundred seventy-eight thousand, six hundred ninety-seven".