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630000227 is a prime number
BaseRepresentation
bin100101100011010…
…000101001100011
31121220110022211202
4211203100221203
52242240001402
6142303031415
721416625233
oct4543205143
91556408752
10630000227
112a368954a
12156b9b56b
13a06a09cc
145d955cc3
153a496b02
hex258d0a63

630000227 has 2 divisors, whose sum is σ = 630000228. Its totient is φ = 630000226.

The previous prime is 630000193. The next prime is 630000247. The reversal of 630000227 is 722000036.

It is an a-pointer prime, because the next prime (630000247) can be obtained adding 630000227 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630000227 - 210 = 629999203 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 630000199 and 630000208.

It is not a weakly prime, because it can be changed into another prime (630000247) 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, 315000113 + 315000114.

It is an arithmetic number, because the mean of its divisors is an integer number (315000114).

Almost surely, 2630000227 is an apocalyptic number.

630000227 is a deficient number, since it is larger than the sum of its proper divisors (1).

630000227 is an equidigital number, since it uses as much as digits as its factorization.

630000227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 630000227 is about 25099.8053179701. The cubic root of 630000227 is about 857.2619911935.

The spelling of 630000227 in words is "six hundred thirty million, two hundred twenty-seven", and thus it is an aban number.