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6704149 is a prime number
BaseRepresentation
bin11001100100110000010101
3110121121100211
4121210300111
53204013044
6355405421
7110661424
oct31446025
913547324
106704149
113869a21
1222b3871
13150966a
14c672bb
158c6634
hex664c15

6704149 has 2 divisors, whose sum is σ = 6704150. Its totient is φ = 6704148.

The previous prime is 6704143. The next prime is 6704161. The reversal of 6704149 is 9414076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5673924 + 1030225 = 2382^2 + 1015^2 .

It is a cyclic number.

It is not a de Polignac number, because 6704149 - 27 = 6704021 is a prime.

It is a super-2 number, since 2×67041492 = 89891227628402, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6704149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6704143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3352074 + 3352075.

It is an arithmetic number, because the mean of its divisors is an integer number (3352075).

Almost surely, 26704149 is an apocalyptic number.

It is an amenable number.

6704149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6704149 is an equidigital number, since it uses as much as digits as its factorization.

6704149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 6704149 is about 2589.2371463425. The cubic root of 6704149 is about 188.5592690517.

The spelling of 6704149 in words is "six million, seven hundred four thousand, one hundred forty-nine".