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227949349 is a prime number
BaseRepresentation
bin11011001011000…
…11101100100101
3120212221000201111
431211203230211
5431323334344
634341425021
75435352235
oct1545435445
9525830644
10227949349
111077427a1
126440b171
13382c1a94
14223b9cc5
151502a834
hexd963b25

227949349 has 2 divisors, whose sum is σ = 227949350. Its totient is φ = 227949348.

The previous prime is 227949347. The next prime is 227949383. The reversal of 227949349 is 943949722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143640225 + 84309124 = 11985^2 + 9182^2 .

It is a cyclic number.

It is not a de Polignac number, because 227949349 - 21 = 227949347 is a prime.

It is a super-3 number, since 3×2279493493 (a number of 26 digits) contains 333 as substring.

Together with 227949347, 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 (227949347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113974674 + 113974675.

It is an arithmetic number, because the mean of its divisors is an integer number (113974675).

Almost surely, 2227949349 is an apocalyptic number.

It is an amenable number.

227949349 is a deficient number, since it is larger than the sum of its proper divisors (1).

227949349 is an equidigital number, since it uses as much as digits as its factorization.

227949349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 227949349 is about 15097.9915551705. The cubic root of 227949349 is about 610.8662323694.

The spelling of 227949349 in words is "two hundred twenty-seven million, nine hundred forty-nine thousand, three hundred forty-nine".