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1530227 is a prime number
BaseRepresentation
bin101110101100101110011
32212202002002
411311211303
5342431402
652444215
716002206
oct5654563
92782062
101530227
11955756
1261966b
1341767a
142bb93d
15203602
hex175973

1530227 has 2 divisors, whose sum is σ = 1530228. Its totient is φ = 1530226.

The previous prime is 1530197. The next prime is 1530229. The reversal of 1530227 is 7220351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1530227 - 28 = 1529971 is a prime.

Together with 1530229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1530199 and 1530208.

It is not a weakly prime, because it can be changed into another prime (1530229) 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, 765113 + 765114.

It is an arithmetic number, because the mean of its divisors is an integer number (765114).

21530227 is an apocalyptic number.

1530227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530227 is an equidigital number, since it uses as much as digits as its factorization.

1530227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1530227 is about 1237.0234435935. The cubic root of 1530227 is about 115.2352336849.

Adding to 1530227 its reverse (7220351), we get a palindrome (8750578).

The spelling of 1530227 in words is "one million, five hundred thirty thousand, two hundred twenty-seven".