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7041689 = 17414217
BaseRepresentation
bin11010110111001010011001
3111020202101022
4122313022121
53300313224
6410532225
7113565464
oct32671231
914222338
107041689
113a7a586
122437075
1315c71a5
14d142db
1594165e
hex6b7299

7041689 has 4 divisors (see below), whose sum is σ = 7455924. Its totient is φ = 6627456.

The previous prime is 7041679. The next prime is 7041701. The reversal of 7041689 is 9861407.

7041689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2560000 + 4481689 = 1600^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 7041689 - 212 = 7037593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7041649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207092 + ... + 207125.

It is an arithmetic number, because the mean of its divisors is an integer number (1863981).

Almost surely, 27041689 is an apocalyptic number.

It is an amenable number.

7041689 is a deficient number, since it is larger than the sum of its proper divisors (414235).

7041689 is a wasteful number, since it uses less digits than its factorization.

7041689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414234.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 7041689 is about 2653.6180961095. The cubic root of 7041689 is about 191.6721201557.

The spelling of 7041689 in words is "seven million, forty-one thousand, six hundred eighty-nine".

Divisors: 1 17 414217 7041689