Search a number
-
+
225198203 = 1911852537
BaseRepresentation
bin11010110110001…
…00000001111011
3120200202020212012
431123010001323
5430122320303
634202440135
75403103346
oct1533040173
9520666765
10225198203
1110613381a
126350304b
133786a799
1421ca145d
1514b855d8
hexd6c407b

225198203 has 4 divisors (see below), whose sum is σ = 237050760. Its totient is φ = 213345648.

The previous prime is 225198191. The next prime is 225198217. The reversal of 225198203 is 302891522.

It is a happy number.

225198203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302891522 = 2151445761.

It is a cyclic number.

It is not a de Polignac number, because 225198203 - 216 = 225132667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225198203.

It is not an unprimeable number, because it can be changed into a prime (225198293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5926250 + ... + 5926287.

It is an arithmetic number, because the mean of its divisors is an integer number (59262690).

Almost surely, 2225198203 is an apocalyptic number.

225198203 is a deficient number, since it is larger than the sum of its proper divisors (11852557).

225198203 is a wasteful number, since it uses less digits than its factorization.

225198203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852556.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 225198203 is about 15006.6053123283. The cubic root of 225198203 is about 608.3987413168.

The spelling of 225198203 in words is "two hundred twenty-five million, one hundred ninety-eight thousand, two hundred three".

Divisors: 1 19 11852537 225198203