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3228109 is a prime number
BaseRepresentation
bin1100010100000111001101
320002000010121
430110013031
51311244414
6153104541
736303253
oct14240715
96060117
103228109
111905365
1210b8151
13890431
146005d3
1543b724
hex3141cd

3228109 has 2 divisors, whose sum is σ = 3228110. Its totient is φ = 3228108.

The previous prime is 3228107. The next prime is 3228143. The reversal of 3228109 is 9018223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3222025 + 6084 = 1795^2 + 78^2 .

It is an emirp because it is prime and its reverse (9018223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3228109 - 21 = 3228107 is a prime.

Together with 3228107, it forms a pair of twin primes.

3228109 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3228103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1614054 + 1614055.

It is an arithmetic number, because the mean of its divisors is an integer number (1614055).

Almost surely, 23228109 is an apocalyptic number.

It is an amenable number.

3228109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3228109 is an equidigital number, since it uses as much as digits as its factorization.

3228109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3228109 is about 1796.6939082660. The cubic root of 3228109 is about 147.7914795410.

The spelling of 3228109 in words is "three million, two hundred twenty-eight thousand, one hundred nine".