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204222372 = 22317018531
BaseRepresentation
bin11000010110000…
…10111110100100
3112020021120102120
430023002332210
5404240103442
632133105540
75026601334
oct1413027644
9466246376
10204222372
11a5307322
12584882b0
1333405153
141d1a10c4
1512de04ec
hexc2c2fa4

204222372 has 12 divisors (see below), whose sum is σ = 476518896. Its totient is φ = 68074120.

The previous prime is 204222367. The next prime is 204222373. The reversal of 204222372 is 273222402.

It is a happy number.

204222372 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (204222373) 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 3 ways as a sum of consecutive naturals, for example, 8509254 + ... + 8509277.

It is an arithmetic number, because the mean of its divisors is an integer number (39709908).

Almost surely, 2204222372 is an apocalyptic number.

It is an amenable number.

204222372 is an abundant number, since it is smaller than the sum of its proper divisors (272296524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204222372 is a wasteful number, since it uses less digits than its factorization.

204222372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17018538 (or 17018536 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 204222372 is about 14290.6393139006. The cubic root of 204222372 is about 588.8903513643.

Adding to 204222372 its reverse (273222402), we get a palindrome (477444774).

The spelling of 204222372 in words is "two hundred four million, two hundred twenty-two thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 17018531 34037062 51055593 68074124 102111186 204222372