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80871283 is a prime number
BaseRepresentation
bin1001101000111…
…11111101110011
312122011200112201
410310133331303
5131200340113
612005204031
72001252223
oct464377563
9178150481
1080871283
1141716879
1223100617
13139a6b3c
14aa52083
157176cdd
hex4d1ff73

80871283 has 2 divisors, whose sum is σ = 80871284. Its totient is φ = 80871282.

The previous prime is 80871257. The next prime is 80871293. The reversal of 80871283 is 38217808.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80871283 is a prime.

It is not a weakly prime, because it can be changed into another prime (80871293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40435641 + 40435642.

It is an arithmetic number, because the mean of its divisors is an integer number (40435642).

Almost surely, 280871283 is an apocalyptic number.

80871283 is a deficient number, since it is larger than the sum of its proper divisors (1).

80871283 is an equidigital number, since it uses as much as digits as its factorization.

80871283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 80871283 is about 8992.8462124068. The cubic root of 80871283 is about 432.4455618831.

The spelling of 80871283 in words is "eighty million, eight hundred seventy-one thousand, two hundred eighty-three".