Search a number
15227 is a prime number
BaseRepresentation
bin11101101111011
3202212222
43231323
5441402
6154255
762252
oct35573
922788
1015227
1110493
12898b
136c14
145799
1547a2
hex3b7b

15227 has 2 divisors, whose sum is σ = 15228. Its totient is φ = 15226.

The previous prime is 15217. The next prime is 15233. The reversal of 15227 is 72251.

Adding to 15227 its reverse (72251), we get a palindrome (87478).

It can be divided in two parts, 15 and 227, that added together give a palindrome (242).

15227 is nontrivially palindromic in base 4.

It is a strong prime.

It is an emirp because it is prime and its reverse (72251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15227 - 212 = 11131 is a prime.

It is a Chen prime.

It is a plaindrome in base 9 and base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 15227.

It is not a weakly prime, because it can be changed into another prime (15217) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7613 + 7614.

It is an arithmetic number, because the mean of its divisors is an integer number (7614).

215227 is an apocalyptic number.

15227 is a deficient number, since it is larger than the sum of its proper divisors (1).

15227 is an equidigital number, since it uses as much as digits as its factorization.

15227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 140, while the sum is 17.

The square root of 15227 is about 123.3977309354. The cubic root of 15227 is about 24.7859051021.

The spelling of 15227 in words is "fifteen thousand, two hundred twenty-seven".