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226130173 is a prime number
BaseRepresentation
bin11010111101001…
…11100011111101
3120202111121021121
431132213203331
5430342131143
634234430541
75414034433
oct1536474375
9522447247
10226130173
1110670aa45
1263892451
1337b05a49
1422064d53
1514cbb7ed
hexd7a78fd

226130173 has 2 divisors, whose sum is σ = 226130174. Its totient is φ = 226130172.

The previous prime is 226130161. The next prime is 226130237. The reversal of 226130173 is 371031622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222546724 + 3583449 = 14918^2 + 1893^2 .

It is a cyclic number.

It is not a de Polignac number, because 226130173 - 29 = 226129661 is a prime.

It is a super-2 number, since 2×2261301732 = 102269710282019858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226130143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113065086 + 113065087.

It is an arithmetic number, because the mean of its divisors is an integer number (113065087).

Almost surely, 2226130173 is an apocalyptic number.

It is an amenable number.

226130173 is a deficient number, since it is larger than the sum of its proper divisors (1).

226130173 is an equidigital number, since it uses as much as digits as its factorization.

226130173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 226130173 is about 15037.6252446987. The cubic root of 226130173 is about 609.2368607779.

Adding to 226130173 its reverse (371031622), we get a palindrome (597161795).

The spelling of 226130173 in words is "two hundred twenty-six million, one hundred thirty thousand, one hundred seventy-three".