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227248481 is a prime number
BaseRepresentation
bin11011000101110…
…00100101100001
3120211121102022102
431202320211201
5431133422411
634314420145
75426403005
oct1542704541
9524542272
10227248481
11107304169
1264131655
1338107a75
1422276705
1514e3cd3b
hexd8b8961

227248481 has 2 divisors, whose sum is σ = 227248482. Its totient is φ = 227248480.

The previous prime is 227248457. The next prime is 227248499. The reversal of 227248481 is 184842722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125238481 + 102010000 = 11191^2 + 10100^2 .

It is a cyclic number.

It is not a de Polignac number, because 227248481 - 210 = 227247457 is a prime.

It is a super-2 number, since 2×2272484812 = 103283744233614722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (227244481) 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, 113624240 + 113624241.

It is an arithmetic number, because the mean of its divisors is an integer number (113624241).

Almost surely, 2227248481 is an apocalyptic number.

It is an amenable number.

227248481 is a deficient number, since it is larger than the sum of its proper divisors (1).

227248481 is an equidigital number, since it uses as much as digits as its factorization.

227248481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 38.

The square root of 227248481 is about 15074.7630495474. The cubic root of 227248481 is about 610.2395198420.

The spelling of 227248481 in words is "two hundred twenty-seven million, two hundred forty-eight thousand, four hundred eighty-one".