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69907469 is a prime number
BaseRepresentation
bin1000010101010…
…11010000001101
311212112200000112
410022223100031
5120344014334
610534205405
71506126602
oct412532015
9155480015
1069907469
1136508575
121b4b3865
1311638688
1493da6a9
15620d4ce
hex42ab40d

69907469 has 2 divisors, whose sum is σ = 69907470. Its totient is φ = 69907468.

The previous prime is 69907463. The next prime is 69907489. The reversal of 69907469 is 96470996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60684100 + 9223369 = 7790^2 + 3037^2 .

It is a cyclic number.

It is not a de Polignac number, because 69907469 - 220 = 68858893 is a prime.

It is a super-2 number, since 2×699074692 = 9774108443971922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69907463) 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, 34953734 + 34953735.

It is an arithmetic number, because the mean of its divisors is an integer number (34953735).

Almost surely, 269907469 is an apocalyptic number.

It is an amenable number.

69907469 is a deficient number, since it is larger than the sum of its proper divisors (1).

69907469 is an equidigital number, since it uses as much as digits as its factorization.

69907469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 69907469 is about 8361.0686517933. The cubic root of 69907469 is about 411.9468562647.

The spelling of 69907469 in words is "sixty-nine million, nine hundred seven thousand, four hundred sixty-nine".