[go: up one dir, main page]

Search a number
-
+
7004149 is a prime number
BaseRepresentation
bin11010101101111111110101
3111011211212221
4122231333311
53243113044
6410042341
7113351155
oct32557765
914154787
107004149
113a54359
1224193b1
1315b3089
14d04765
15935484
hex6adff5

7004149 has 2 divisors, whose sum is σ = 7004150. Its totient is φ = 7004148.

The previous prime is 7004143. The next prime is 7004159. The reversal of 7004149 is 9414007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5267025 + 1737124 = 2295^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 7004149 - 25 = 7004117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7004143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3502074 + 3502075.

It is an arithmetic number, because the mean of its divisors is an integer number (3502075).

Almost surely, 27004149 is an apocalyptic number.

It is an amenable number.

7004149 is a deficient number, since it is larger than the sum of its proper divisors (1).

7004149 is an equidigital number, since it uses as much as digits as its factorization.

7004149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7004149 is about 2646.5352822133. The cubic root of 7004149 is about 191.3309048673.

The spelling of 7004149 in words is "seven million, four thousand, one hundred forty-nine".