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204404144 = 2478772081
BaseRepresentation
bin11000010111011…
…11010110110000
3112020121210202212
430023233112300
5404311413034
632141031252
75031256310
oct1413572660
9466553685
10204404144
11a542094a
1258555528
1333469ac9
141d20b440
1512e292ce
hexc2ef5b0

204404144 has 40 divisors (see below), whose sum is σ = 453343008. Its totient is φ = 87459840.

The previous prime is 204404131. The next prime is 204404191. The reversal of 204404144 is 441404402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97184 + ... + 99264.

Almost surely, 2204404144 is an apocalyptic number.

It is an amenable number.

204404144 is an abundant number, since it is smaller than the sum of its proper divisors (248938864).

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

204404144 is a wasteful number, since it uses less digits than its factorization.

204404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 204404144 is about 14296.9977267957. The cubic root of 204404144 is about 589.0650172327.

Adding to 204404144 its reverse (441404402), we get a palindrome (645808546).

The spelling of 204404144 in words is "two hundred four million, four hundred four thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 877 1754 2081 3508 4162 6139 7016 8324 12278 14032 14567 16648 24556 29134 33296 49112 58268 98224 116536 233072 1825037 3650074 7300148 12775259 14600296 25550518 29200592 51101036 102202072 204404144