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227841149 is a prime number
BaseRepresentation
bin11011001010010…
…01010001111101
3120212201112022002
431211021101331
5431311404044
634335232045
75434421624
oct1545112175
9525645262
10227841149
11107679478
1264378625
1338284763
142238c6bb
151500874e
hexd94947d

227841149 has 2 divisors, whose sum is σ = 227841150. Its totient is φ = 227841148.

The previous prime is 227841143. The next prime is 227841169. The reversal of 227841149 is 941148722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226502500 + 1338649 = 15050^2 + 1157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-227841149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227841143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113920574 + 113920575.

It is an arithmetic number, because the mean of its divisors is an integer number (113920575).

Almost surely, 2227841149 is an apocalyptic number.

It is an amenable number.

227841149 is a deficient number, since it is larger than the sum of its proper divisors (1).

227841149 is an equidigital number, since it uses as much as digits as its factorization.

227841149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

The square root of 227841149 is about 15094.4078717915. The cubic root of 227841149 is about 610.7695644221.

The spelling of 227841149 in words is "two hundred twenty-seven million, eight hundred forty-one thousand, one hundred forty-nine".