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8069431 is a prime number
BaseRepresentation
bin11110110010000100110111
3120011222011211
4132302010313
54031210211
6444542251
7125406016
oct36620467
916158154
108069431
114611757
122851987
131896c16
141100a7d
15a95e21
hex7b2137

8069431 has 2 divisors, whose sum is σ = 8069432. Its totient is φ = 8069430.

The previous prime is 8069419. The next prime is 8069459. The reversal of 8069431 is 1349608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8069431 - 211 = 8067383 is a prime.

It is a super-2 number, since 2×80694312 = 130231433327522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8069393 and 8069402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8069491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4034715 + 4034716.

It is an arithmetic number, because the mean of its divisors is an integer number (4034716).

Almost surely, 28069431 is an apocalyptic number.

8069431 is a deficient number, since it is larger than the sum of its proper divisors (1).

8069431 is an equidigital number, since it uses as much as digits as its factorization.

8069431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8069431 is about 2840.6743917598. The cubic root of 8069431 is about 200.5769258493.

The spelling of 8069431 in words is "eight million, sixty-nine thousand, four hundred thirty-one".