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80220347 is a prime number
BaseRepresentation
bin1001100100000…
…01000010111011
312120221121121222
410302001002323
5131014022342
611543222255
71662601364
oct462010273
9176847558
1080220347
1141311809
1222a4798b
131380977c
14a922b6b
157098ed2
hex4c810bb

80220347 has 2 divisors, whose sum is σ = 80220348. Its totient is φ = 80220346.

The previous prime is 80220317. The next prime is 80220359. The reversal of 80220347 is 74302208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80220347 - 210 = 80219323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80220317) 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, 40110173 + 40110174.

It is an arithmetic number, because the mean of its divisors is an integer number (40110174).

Almost surely, 280220347 is an apocalyptic number.

80220347 is a deficient number, since it is larger than the sum of its proper divisors (1).

80220347 is an equidigital number, since it uses as much as digits as its factorization.

80220347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 80220347 is about 8956.5812116008. The cubic root of 80220347 is about 431.2821780372.

The spelling of 80220347 in words is "eighty million, two hundred twenty thousand, three hundred forty-seven".