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3418381 is a prime number
BaseRepresentation
bin1101000010100100001101
320102200010201
431002210031
51333342011
6201133501
741025061
oct15024415
96380121
103418381
111a2530a
12118a291
13928c15
1464daa1
15477cc1
hex34290d

3418381 has 2 divisors, whose sum is σ = 3418382. Its totient is φ = 3418380.

The previous prime is 3418351. The next prime is 3418397. The reversal of 3418381 is 1838143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 826281 = 1610^2 + 909^2 .

It is an emirp because it is prime and its reverse (1838143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3418381 - 213 = 3410189 is a prime.

It is a super-2 number, since 2×34183812 = 23370657322322, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

3418381 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3418301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1709190 + 1709191.

It is an arithmetic number, because the mean of its divisors is an integer number (1709191).

Almost surely, 23418381 is an apocalyptic number.

It is an amenable number.

3418381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3418381 is an equidigital number, since it uses as much as digits as its factorization.

3418381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 3418381 is about 1848.8864216063. The cubic root of 3418381 is about 150.6399473812.

The spelling of 3418381 in words is "three million, four hundred eighteen thousand, three hundred eighty-one".