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4018109 is a prime number
BaseRepresentation
bin1111010100111110111101
321120010210212
433110332331
52012034414
6222042205
746103414
oct17247675
97503725
104018109
1122a4957
121419365
13aa8ba4
1476847b
1554583e
hex3d4fbd

4018109 has 2 divisors, whose sum is σ = 4018110. Its totient is φ = 4018108.

The previous prime is 4018099. The next prime is 4018151. The reversal of 4018109 is 9018104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3912484 + 105625 = 1978^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 4018109 - 24 = 4018093 is a prime.

It is a super-2 number, since 2×40181092 = 32290399871762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4018159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009054 + 2009055.

It is an arithmetic number, because the mean of its divisors is an integer number (2009055).

Almost surely, 24018109 is an apocalyptic number.

It is an amenable number.

4018109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4018109 is an equidigital number, since it uses as much as digits as its factorization.

4018109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 4018109 is about 2004.5221375680. The cubic root of 4018109 is about 158.9792966464.

The spelling of 4018109 in words is "four million, eighteen thousand, one hundred nine".