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204620466 = 23172387221
BaseRepresentation
bin11000011001001…
…00001010110010
3112021000210111210
430030210022302
5404340323331
632145420550
75033150061
oct1414441262
9467023453
10204620466
11a5559426
125863a756
13335143cb
141d2661d8
1512e6d446
hexc3242b2

204620466 has 32 divisors (see below), whose sum is σ = 452158848. Its totient is φ = 61402880.

The previous prime is 204620461. The next prime is 204620473. The reversal of 204620466 is 664026402.

It is not an unprimeable number, because it can be changed into a prime (204620461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41265 + ... + 45956.

It is an arithmetic number, because the mean of its divisors is an integer number (14129964).

Almost surely, 2204620466 is an apocalyptic number.

204620466 is an abundant number, since it is smaller than the sum of its proper divisors (247538382).

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

204620466 is a wasteful number, since it uses less digits than its factorization.

204620466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87266.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 204620466 is about 14304.5610208772. The cubic root of 204620466 is about 589.2727475232.

Adding to 204620466 its reverse (664026402), we get a palindrome (868646868).

The spelling of 204620466 in words is "two hundred four million, six hundred twenty thousand, four hundred sixty-six".

Divisors: 1 2 3 6 17 23 34 46 51 69 102 138 391 782 1173 2346 87221 174442 261663 523326 1482757 2006083 2965514 4012166 4448271 6018249 8896542 12036498 34103411 68206822 102310233 204620466