Search a number
-
+
1401345227 is a prime number
BaseRepresentation
bin101001110000110…
…1101010011001011
310121122212201021002
41103201231103023
510332221021402
6351015405215
746504144412
oct12341552313
93548781232
101401345227
1165a028457
1233138380b
1319442cb79
14d4182479
158305d602
hex5386d4cb

1401345227 has 2 divisors, whose sum is σ = 1401345228. Its totient is φ = 1401345226.

The previous prime is 1401345223. The next prime is 1401345251. The reversal of 1401345227 is 7225431041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1401345227 - 22 = 1401345223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1401345227.

It is not a weakly prime, because it can be changed into another prime (1401345223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700672613 + 700672614.

It is an arithmetic number, because the mean of its divisors is an integer number (700672614).

Almost surely, 21401345227 is an apocalyptic number.

1401345227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401345227 is an equidigital number, since it uses as much as digits as its factorization.

1401345227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1401345227 is about 37434.5459034833. The cubic root of 1401345227 is about 1119.0471346581.

Adding to 1401345227 its reverse (7225431041), we get a palindrome (8626776268).

The spelling of 1401345227 in words is "one billion, four hundred one million, three hundred forty-five thousand, two hundred twenty-seven".