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204110225 = 5211742219
BaseRepresentation
bin11000010101001…
…11100110010001
3112020001212120222
430022213212101
5404223011400
632130442425
75025623354
oct1412474621
9466055528
10204110225
11a5240040
1258433415
13333960a7
141d17229b
1512dbc185
hexc2a7991

204110225 has 12 divisors (see below), whose sum is σ = 276105840. Its totient is φ = 148443600.

The previous prime is 204110189. The next prime is 204110227. The reversal of 204110225 is 522011402.

It is not a de Polignac number, because 204110225 - 212 = 204106129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204110227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370835 + ... + 371384.

It is an arithmetic number, because the mean of its divisors is an integer number (23008820).

Almost surely, 2204110225 is an apocalyptic number.

204110225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204110225 is a deficient number, since it is larger than the sum of its proper divisors (71995615).

204110225 is a wasteful number, since it uses less digits than its factorization.

204110225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742240 (or 742235 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 204110225 is about 14286.7149828083. The cubic root of 204110225 is about 588.7825368970.

Adding to 204110225 its reverse (522011402), we get a palindrome (726121627).

The spelling of 204110225 in words is "two hundred four million, one hundred ten thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 275 742219 3711095 8164409 18555475 40822045 204110225