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227030197 is a prime number
BaseRepresentation
bin11011000100000…
…11010010110101
3120211012022212211
431202003102311
5431104431242
634310013421
75424503422
oct1542032265
9524168784
10227030197
11107175169
1264047271
133805c5c4
142221ad49
1514de8317
hexd8834b5

227030197 has 2 divisors, whose sum is σ = 227030198. Its totient is φ = 227030196.

The previous prime is 227030159. The next prime is 227030233. The reversal of 227030197 is 791030722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181683441 + 45346756 = 13479^2 + 6734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-227030197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227030117) 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, 113515098 + 113515099.

It is an arithmetic number, because the mean of its divisors is an integer number (113515099).

Almost surely, 2227030197 is an apocalyptic number.

It is an amenable number.

227030197 is a deficient number, since it is larger than the sum of its proper divisors (1).

227030197 is an equidigital number, since it uses as much as digits as its factorization.

227030197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 227030197 is about 15067.5212626364. The cubic root of 227030197 is about 610.0440683025.

The spelling of 227030197 in words is "two hundred twenty-seven million, thirty thousand, one hundred ninety-seven".