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226149811 is a prime number
BaseRepresentation
bin11010111101011…
…00010110110011
3120202112121012221
431132230112303
5430343243221
634235101511
75414145616
oct1536542663
9522477187
10226149811
11106723778
12638a1897
1337b11974
142206c17d
1514cc2541
hexd7ac5b3

226149811 has 2 divisors, whose sum is σ = 226149812. Its totient is φ = 226149810.

The previous prime is 226149797. The next prime is 226149871. The reversal of 226149811 is 118941622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226149811 - 27 = 226149683 is a prime.

It is a super-2 number, since 2×2261498112 = 102287474030671442, which contains 22 as substring.

It is equal to p12442588 and since 226149811 and 12442588 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (226149871) 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, 113074905 + 113074906.

It is an arithmetic number, because the mean of its divisors is an integer number (113074906).

Almost surely, 2226149811 is an apocalyptic number.

226149811 is a deficient number, since it is larger than the sum of its proper divisors (1).

226149811 is an equidigital number, since it uses as much as digits as its factorization.

226149811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 226149811 is about 15038.2781926655. The cubic root of 226149811 is about 609.2544964122.

The spelling of 226149811 in words is "two hundred twenty-six million, one hundred forty-nine thousand, eight hundred eleven".