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197093249 is a prime number
BaseRepresentation
bin10111011111101…
…10011110000001
3111201212101002222
423233312132001
5400423440444
631320220425
74612156613
oct1357663601
9451771088
10197093249
11a1288091
125600a715
1331aaa232
141c266db3
1512482eee
hexbbf6781

197093249 has 2 divisors, whose sum is σ = 197093250. Its totient is φ = 197093248.

The previous prime is 197093219. The next prime is 197093263. The reversal of 197093249 is 942390791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164660224 + 32433025 = 12832^2 + 5695^2 .

It is a cyclic number.

It is not a de Polignac number, because 197093249 - 28 = 197092993 is a prime.

It is not a weakly prime, because it can be changed into another prime (197093219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98546624 + 98546625.

It is an arithmetic number, because the mean of its divisors is an integer number (98546625).

Almost surely, 2197093249 is an apocalyptic number.

It is an amenable number.

197093249 is a deficient number, since it is larger than the sum of its proper divisors (1).

197093249 is an equidigital number, since it uses as much as digits as its factorization.

197093249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 197093249 is about 14038.9903126970. The cubic root of 197093249 is about 581.9565798982.

The spelling of 197093249 in words is "one hundred ninety-seven million, ninety-three thousand, two hundred forty-nine".