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4752225 = 325221121
BaseRepresentation
bin10010001000001101100001
322221102211100
4102020031201
52204032400
6245505013
755251612
oct22101541
98842740
104752225
112756465
121712169
13ca508a
148b9c09
1563d100
hex488361

4752225 has 18 divisors (see below), whose sum is σ = 8512166. Its totient is φ = 2534400.

The previous prime is 4752221. The next prime is 4752229. The reversal of 4752225 is 5222574.

It is an interprime number because it is at equal distance from previous prime (4752221) and next prime (4752229).

It can be written as a sum of positive squares in 3 ways, for example, as 627264 + 4124961 = 792^2 + 2031^2 .

It is not a de Polignac number, because 4752225 - 22 = 4752221 is a prime.

It is a d-powerful number, because it can be written as 411 + 73 + 5 + 29 + 215 + 219 + 5 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4752221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10336 + ... + 10785.

Almost surely, 24752225 is an apocalyptic number.

4752225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4752225 is a deficient number, since it is larger than the sum of its proper divisors (3759941).

4752225 is a wasteful number, since it uses less digits than its factorization.

4752225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21137 (or 21129 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 4752225 is about 2179.9598620158. The cubic root of 4752225 is about 168.1250132438.

Adding to 4752225 its reverse (5222574), we get a palindrome (9974799).

The spelling of 4752225 in words is "four million, seven hundred fifty-two thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 21121 63363 105605 190089 316815 528025 950445 1584075 4752225