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6953425 = 521716361
BaseRepresentation
bin11010100001100111010001
3111002021022021
4122201213101
53240002200
6405011441
7113050243
oct32414721
914067267
106953425
113a1a236
1223b3b81
131595c6b
14cd0093
1592541a
hex6a19d1

6953425 has 12 divisors (see below), whose sum is σ = 9129996. Its totient is φ = 5235200.

The previous prime is 6953423. The next prime is 6953431. The reversal of 6953425 is 5243596.

6953425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 20736 + 6932689 = 144^2 + 2633^2 .

It is not a de Polignac number, because 6953425 - 21 = 6953423 is a prime.

It is a Duffinian number.

6953425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6953423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7756 + ... + 8605.

It is an arithmetic number, because the mean of its divisors is an integer number (760833).

Almost surely, 26953425 is an apocalyptic number.

It is an amenable number.

6953425 is a deficient number, since it is larger than the sum of its proper divisors (2176571).

6953425 is a wasteful number, since it uses less digits than its factorization.

6953425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16388 (or 16383 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 6953425 is about 2636.9347735581. The cubic root of 6953425 is about 190.8679130250.

The spelling of 6953425 in words is "six million, nine hundred fifty-three thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 425 16361 81805 278137 409025 1390685 6953425