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1405350227 is a prime number
BaseRepresentation
bin101001111000011…
…1111000101010011
310121221102012002102
41103300333011103
510334232201402
6351241311015
746553164661
oct12360770523
93557365072
101405350227
11661313476
1233279546b
13195202aa8
14d4905c31
15835a0102
hex53c3f153

1405350227 has 2 divisors, whose sum is σ = 1405350228. Its totient is φ = 1405350226.

The previous prime is 1405350211. The next prime is 1405350239. The reversal of 1405350227 is 7220535041.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7220535041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1405350227 - 24 = 1405350211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1405350227.

It is not a weakly prime, because it can be changed into another prime (1405350277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702675113 + 702675114.

It is an arithmetic number, because the mean of its divisors is an integer number (702675114).

Almost surely, 21405350227 is an apocalyptic number.

1405350227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405350227 is an equidigital number, since it uses as much as digits as its factorization.

1405350227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 1405350227 is about 37488.0011070209. The cubic root of 1405350227 is about 1120.1121876885.

Adding to 1405350227 its reverse (7220535041), we get a palindrome (8625885268).

The spelling of 1405350227 in words is "one billion, four hundred five million, three hundred fifty thousand, two hundred twenty-seven".