Search a number
-
+
224244325 = 5253169241
BaseRepresentation
bin11010101110110…
…11001001100101
3120121221210101101
431113123021211
5424401304300
634130200101
75362021354
oct1527331145
9517853341
10224244325
11105642098
1263123031
13375c5566
1421ad399b
1514a47b6a
hexd5db265

224244325 has 12 divisors (see below), whose sum is σ = 283311108. Its totient is φ = 176009600.

The previous prime is 224244323. The next prime is 224244343. The reversal of 224244325 is 523442422.

It can be written as a sum of positive squares in 6 ways, for example, as 263169 + 223981156 = 513^2 + 14966^2 .

It is not a de Polignac number, because 224244325 - 21 = 224244323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224244293 and 224244302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224244323) 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, 83296 + ... + 85945.

It is an arithmetic number, because the mean of its divisors is an integer number (23609259).

Almost surely, 2224244325 is an apocalyptic number.

224244325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224244325 is a deficient number, since it is larger than the sum of its proper divisors (59066783).

224244325 is a wasteful number, since it uses less digits than its factorization.

224244325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169304 (or 169299 counting only the distinct ones).

The product of its digits is 15360, while the sum is 28.

The square root of 224244325 is about 14974.7896479383. The cubic root of 224244325 is about 607.5385220595.

Adding to 224244325 its reverse (523442422), we get a palindrome (747686747).

The spelling of 224244325 in words is "two hundred twenty-four million, two hundred forty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 53 265 1325 169241 846205 4231025 8969773 44848865 224244325