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225030513 = 3178353161
BaseRepresentation
bin11010110100110…
…11000101110001
3120200102201211110
431122123011301
5430101434023
634155103533
75401504431
oct1532330561
9520381743
10225030513
11106029834
1263441ba9
133780c366
1421c5a2c1
1514b50a93
hexd69b171

225030513 has 16 divisors (see below), whose sum is σ = 321523776. Its totient is φ = 139491840.

The previous prime is 225030511. The next prime is 225030521. The reversal of 225030513 is 315030522.

It is not a de Polignac number, because 225030513 - 21 = 225030511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225030513.

It is not an unprimeable number, because it can be changed into a prime (225030511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22348 + ... + 30813.

It is an arithmetic number, because the mean of its divisors is an integer number (20095236).

Almost surely, 2225030513 is an apocalyptic number.

It is an amenable number.

225030513 is a deficient number, since it is larger than the sum of its proper divisors (96493263).

225030513 is a wasteful number, since it uses less digits than its factorization.

225030513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53264.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 225030513 is about 15001.0170655193. The cubic root of 225030513 is about 608.2476925708.

Subtracting 225030513 from its reverse (315030522), we obtain a palindrome (90000009).

The spelling of 225030513 in words is "two hundred twenty-five million, thirty thousand, five hundred thirteen".

Divisors: 1 3 17 51 83 249 1411 4233 53161 159483 903737 2711211 4412363 13237089 75010171 225030513