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69968453 is a prime number
BaseRepresentation
bin1000010101110…
…10001001000101
311212122202200012
410022322021011
5120402442303
610535400005
71506502442
oct412721105
9155582605
1069968453
113654a375
121b523005
131165a369
1494149c9
1562215d8
hex42ba245

69968453 has 2 divisors, whose sum is σ = 69968454. Its totient is φ = 69968452.

The previous prime is 69968449. The next prime is 69968467. The reversal of 69968453 is 35486996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59938564 + 10029889 = 7742^2 + 3167^2 .

It is a cyclic number.

It is not a de Polignac number, because 69968453 - 22 = 69968449 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69968473) 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, 34984226 + 34984227.

It is an arithmetic number, because the mean of its divisors is an integer number (34984227).

Almost surely, 269968453 is an apocalyptic number.

It is an amenable number.

69968453 is a deficient number, since it is larger than the sum of its proper divisors (1).

69968453 is an equidigital number, since it uses as much as digits as its factorization.

69968453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 50.

The square root of 69968453 is about 8364.7147590339. The cubic root of 69968453 is about 412.0666091602.

The spelling of 69968453 in words is "sixty-nine million, nine hundred sixty-eight thousand, four hundred fifty-three".