Search a number
-
+
9801227 is a prime number
BaseRepresentation
bin100101011000…
…111000001011
3200102221202102
4211120320023
510002114402
6550024015
7146211002
oct45307013
920387672
109801227
115594897
12334800b
132052257
141431c39
15cd9102
hex958e0b

9801227 has 2 divisors, whose sum is σ = 9801228. Its totient is φ = 9801226.

The previous prime is 9801223. The next prime is 9801251. The reversal of 9801227 is 7221089.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7221089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9801227 - 22 = 9801223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9801227.

It is not a weakly prime, because it can be changed into another prime (9801223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4900613 + 4900614.

It is an arithmetic number, because the mean of its divisors is an integer number (4900614).

Almost surely, 29801227 is an apocalyptic number.

9801227 is a deficient number, since it is larger than the sum of its proper divisors (1).

9801227 is an equidigital number, since it uses as much as digits as its factorization.

9801227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 9801227 is about 3130.6911377522. The cubic root of 9801227 is about 214.0064268603.

The spelling of 9801227 in words is "nine million, eight hundred one thousand, two hundred twenty-seven".