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6944225 = 52893121
BaseRepresentation
bin11010011111010111100001
3111001210200112
4122133113201
53234203400
6404501105
7113011361
oct32372741
914053615
106944225
113a13332
1223aa795
131591a12
14cca9a1
15922835
hex69f5e1

6944225 has 12 divisors (see below), whose sum is σ = 8710380. Its totient is φ = 5491200.

The previous prime is 6944209. The next prime is 6944227. The reversal of 6944225 is 5224496.

It can be written as a sum of positive squares in 6 ways, for example, as 2798929 + 4145296 = 1673^2 + 2036^2 .

It is not a de Polignac number, because 6944225 - 24 = 6944209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6944191 and 6944200.

It is not an unprimeable number, because it can be changed into a prime (6944227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (725865).

Almost surely, 26944225 is an apocalyptic number.

It is an amenable number.

6944225 is a deficient number, since it is larger than the sum of its proper divisors (1766155).

6944225 is a wasteful number, since it uses less digits than its factorization.

6944225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220 (or 3215 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 6944225 is about 2635.1897464889. The cubic root of 6944225 is about 190.7836974616.

The spelling of 6944225 in words is "six million, nine hundred forty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 89 445 2225 3121 15605 78025 277769 1388845 6944225