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8009147 is a prime number
BaseRepresentation
bin11110100011010110111011
3120001220111002
4132203112323
54022243042
6443355215
7125035166
oct36432673
916056432
108009147
114580433
122822b0b
131875653
1410c6add
15a83132
hex7a35bb

8009147 has 2 divisors, whose sum is σ = 8009148. Its totient is φ = 8009146.

The previous prime is 8009143. The next prime is 8009149. The reversal of 8009147 is 7419008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8009147 - 22 = 8009143 is a prime.

Together with 8009149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8009143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4004573 + 4004574.

It is an arithmetic number, because the mean of its divisors is an integer number (4004574).

Almost surely, 28009147 is an apocalyptic number.

8009147 is a deficient number, since it is larger than the sum of its proper divisors (1).

8009147 is an equidigital number, since it uses as much as digits as its factorization.

8009147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 8009147 is about 2830.0436392395. The cubic root of 8009147 is about 200.0761959672.

The spelling of 8009147 in words is "eight million, nine thousand, one hundred forty-seven".