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1421613227 is a prime number
BaseRepresentation
bin101010010111100…
…0001100010101011
310200002000102201202
41110233001202223
510402413110402
6353022034415
750141340656
oct12457014253
93602012652
101421613227
1166a511071
12338118a0b
131986a8278
14d6b3a89d
1584c13b02
hex54bc18ab

1421613227 has 2 divisors, whose sum is σ = 1421613228. Its totient is φ = 1421613226.

The previous prime is 1421613211. The next prime is 1421613241. The reversal of 1421613227 is 7223161241.

It is a strong prime.

It is an emirp because it is prime and its reverse (7223161241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1421613227 - 24 = 1421613211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1421613227.

It is not a weakly prime, because it can be changed into another prime (1421613247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710806613 + 710806614.

It is an arithmetic number, because the mean of its divisors is an integer number (710806614).

Almost surely, 21421613227 is an apocalyptic number.

1421613227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421613227 is an equidigital number, since it uses as much as digits as its factorization.

1421613227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 1421613227 is about 37704.2865865408. The cubic root of 1421613227 is about 1124.4163496330.

Adding to 1421613227 its reverse (7223161241), we get a palindrome (8644774468).

The spelling of 1421613227 in words is "one billion, four hundred twenty-one million, six hundred thirteen thousand, two hundred twenty-seven".