Search a number
-
+
3189229 is a prime number
BaseRepresentation
bin1100001010100111101101
320000000210121
430022213231
51304023404
6152204541
736052021
oct14124755
96000717
103189229
11188912a
121099751
13878824
145d0381
1542ee54
hex30a9ed

3189229 has 2 divisors, whose sum is σ = 3189230. Its totient is φ = 3189228.

The previous prime is 3189227. The next prime is 3189239. The reversal of 3189229 is 9229813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 248004 = 1715^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 3189229 - 21 = 3189227 is a prime.

It is a super-2 number, since 2×31892292 = 20342363228882, which contains 22 as substring.

Together with 3189227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3189194 and 3189203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3189227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594614 + 1594615.

It is an arithmetic number, because the mean of its divisors is an integer number (1594615).

Almost surely, 23189229 is an apocalyptic number.

It is an amenable number.

3189229 is a deficient number, since it is larger than the sum of its proper divisors (1).

3189229 is an equidigital number, since it uses as much as digits as its factorization.

3189229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 3189229 is about 1785.8412583430. The cubic root of 3189229 is about 147.1957378305.

The spelling of 3189229 in words is "three million, one hundred eighty-nine thousand, two hundred twenty-nine".