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227535109 is a prime number
BaseRepresentation
bin11011000111111…
…10100100000101
3120212010222111021
431203332210011
5431222110414
634324511141
75432005444
oct1543764405
9525128437
10227535109
1110748a54a
126424b4b1
13381a8379
142230cd5b
1514e97c24
hexd8fe905

227535109 has 2 divisors, whose sum is σ = 227535110. Its totient is φ = 227535108.

The previous prime is 227535107. The next prime is 227535167. The reversal of 227535109 is 901535722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216178209 + 11356900 = 14703^2 + 3370^2 .

It is a cyclic number.

It is not a de Polignac number, because 227535109 - 21 = 227535107 is a prime.

Together with 227535107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227535107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113767554 + 113767555.

It is an arithmetic number, because the mean of its divisors is an integer number (113767555).

Almost surely, 2227535109 is an apocalyptic number.

It is an amenable number.

227535109 is a deficient number, since it is larger than the sum of its proper divisors (1).

227535109 is an equidigital number, since it uses as much as digits as its factorization.

227535109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 227535109 is about 15084.2669361159. The cubic root of 227535109 is about 610.4959766292.

The spelling of 227535109 in words is "two hundred twenty-seven million, five hundred thirty-five thousand, one hundred nine".