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9974197 is a prime number
BaseRepresentation
bin100110000011…
…000110110101
3200202202000201
4212003012311
510023133242
6553440501
7150531202
oct46030665
920682021
109974197
1156a2842
123410131
1320b2bbc
141478ca9
15d204b7
hex9831b5

9974197 has 2 divisors, whose sum is σ = 9974198. Its totient is φ = 9974196.

The previous prime is 9974179. The next prime is 9974213. The reversal of 9974197 is 7914799.

Together with previous prime (9974179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9492561 + 481636 = 3081^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 9974197 - 223 = 1585589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9974117) 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, 4987098 + 4987099.

It is an arithmetic number, because the mean of its divisors is an integer number (4987099).

Almost surely, 29974197 is an apocalyptic number.

It is an amenable number.

9974197 is a deficient number, since it is larger than the sum of its proper divisors (1).

9974197 is an equidigital number, since it uses as much as digits as its factorization.

9974197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 46.

The square root of 9974197 is about 3158.1952124592. The cubic root of 9974197 is about 215.2580064676.

The spelling of 9974197 in words is "nine million, nine hundred seventy-four thousand, one hundred ninety-seven".