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197300197 is a prime number
BaseRepresentation
bin10111100001010…
…00111111100101
3111202020212222201
423300220333211
5401002101242
631324454501
74614011143
oct1360507745
9452225881
10197300197
11a1409616
12560aa431
1331b504a3
141c2bc593
15124c44b7
hexbc28fe5

197300197 has 2 divisors, whose sum is σ = 197300198. Its totient is φ = 197300196.

The previous prime is 197300179. The next prime is 197300203. The reversal of 197300197 is 791003791.

Together with previous prime (197300179) 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., 113870241 + 83429956 = 10671^2 + 9134^2 .

It is a cyclic number.

It is not a de Polignac number, because 197300197 - 211 = 197298149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197300177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98650098 + 98650099.

It is an arithmetic number, because the mean of its divisors is an integer number (98650099).

Almost surely, 2197300197 is an apocalyptic number.

It is an amenable number.

197300197 is a deficient number, since it is larger than the sum of its proper divisors (1).

197300197 is an equidigital number, since it uses as much as digits as its factorization.

197300197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 197300197 is about 14046.3588520299. The cubic root of 197300197 is about 582.1601935402.

The spelling of 197300197 in words is "one hundred ninety-seven million, three hundred thousand, one hundred ninety-seven".