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4744225 = 521091741
BaseRepresentation
bin10010000110010000100001
322221000212001
4102012100201
52203303400
6245404001
755216363
oct22062041
98830761
104744225
112750452
121709601
13ca1545
148b6d33
1563aa6a
hex486421

4744225 has 12 divisors (see below), whose sum is σ = 5940220. Its totient is φ = 3758400.

The previous prime is 4744219. The next prime is 4744237. The reversal of 4744225 is 5224474.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 776161 + 3968064 = 881^2 + 1992^2 .

It is not a de Polignac number, because 4744225 - 27 = 4744097 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4744193 and 4744202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1855 + ... + 3595.

Almost surely, 24744225 is an apocalyptic number.

It is an amenable number.

4744225 is a deficient number, since it is larger than the sum of its proper divisors (1195995).

4744225 is a wasteful number, since it uses less digits than its factorization.

4744225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1855 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 4744225 is about 2178.1241929697. The cubic root of 4744225 is about 168.0306184745.

Adding to 4744225 its reverse (5224474), we get a palindrome (9968699).

Subtracting 4744225 from its reverse (5224474), we obtain a square (480249 = 6932).

The spelling of 4744225 in words is "four million, seven hundred forty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 109 545 1741 2725 8705 43525 189769 948845 4744225