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80310943 is a prime number
BaseRepresentation
bin1001100100101…
…11001010011111
312121010012220101
410302113022133
5131024422233
611545201531
71663426456
oct462271237
9177105811
1080310943
1141373889
1222a902a7
131383ba8b
14a947b9d
1570b5c7d
hex4c9729f

80310943 has 2 divisors, whose sum is σ = 80310944. Its totient is φ = 80310942.

The previous prime is 80310913. The next prime is 80310959. The reversal of 80310943 is 34901308.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80310943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80310913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40155471 + 40155472.

It is an arithmetic number, because the mean of its divisors is an integer number (40155472).

Almost surely, 280310943 is an apocalyptic number.

80310943 is a deficient number, since it is larger than the sum of its proper divisors (1).

80310943 is an equidigital number, since it uses as much as digits as its factorization.

80310943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 80310943 is about 8961.6372946019. The cubic root of 80310943 is about 431.4444716124. Note that the first 4 decimals are identical.

The spelling of 80310943 in words is "eighty million, three hundred ten thousand, nine hundred forty-three".