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227602489 is a prime number
BaseRepresentation
bin11011001000011…
…11000000111001
3120212021101220211
431210033000321
5431231234424
634330151121
75432406052
oct1544170071
9525241824
10227602489
11107526134
12642824a1
13381ccc3a
1422329729
1514eacb94
hexd90f039

227602489 has 2 divisors, whose sum is σ = 227602490. Its totient is φ = 227602488.

The previous prime is 227602381. The next prime is 227602547. The reversal of 227602489 is 984206722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195021225 + 32581264 = 13965^2 + 5708^2 .

It is a cyclic number.

It is not a de Polignac number, because 227602489 - 217 = 227471417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227602189) 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, 113801244 + 113801245.

It is an arithmetic number, because the mean of its divisors is an integer number (113801245).

Almost surely, 2227602489 is an apocalyptic number.

It is an amenable number.

227602489 is a deficient number, since it is larger than the sum of its proper divisors (1).

227602489 is an equidigital number, since it uses as much as digits as its factorization.

227602489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 227602489 is about 15086.5002237099. The cubic root of 227602489 is about 610.5562327647.

The spelling of 227602489 in words is "two hundred twenty-seven million, six hundred two thousand, four hundred eighty-nine".