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9801047 is a prime number
BaseRepresentation
bin100101011000…
…110101010111
3200102221111202
4211120311113
510002113142
6550023115
7146210324
oct45306527
920387452
109801047
115594743
123347a9b
132052149
141431b4b
15cd9032
hex958d57

9801047 has 2 divisors, whose sum is σ = 9801048. Its totient is φ = 9801046.

The previous prime is 9801037. The next prime is 9801049. The reversal of 9801047 is 7401089.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9801047 - 24 = 9801031 is a prime.

Together with 9801049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9801049) 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, 4900523 + 4900524.

It is an arithmetic number, because the mean of its divisors is an integer number (4900524).

Almost surely, 29801047 is an apocalyptic number.

9801047 is a deficient number, since it is larger than the sum of its proper divisors (1).

9801047 is an equidigital number, since it uses as much as digits as its factorization.

9801047 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 9801047 is about 3130.6623899744. The cubic root of 9801047 is about 214.0051167729.

The spelling of 9801047 in words is "nine million, eight hundred one thousand, forty-seven".