Base | Representation |
---|---|
bin | 11000010111100… |
… | …11011110110100 |
3 | 112020122122221210 |
4 | 30023303132310 |
5 | 404312433134 |
6 | 32141241420 |
7 | 5031356502 |
oct | 1413633664 |
9 | 466578853 |
10 | 204421044 |
11 | a5432613 |
12 | 58563270 |
13 | 334746c9 |
14 | 1d213672 |
15 | 12e2e2e9 |
hex | c2f37b4 |
204421044 has 12 divisors (see below), whose sum is σ = 476982464. Its totient is φ = 68140344.
The previous prime is 204421013. The next prime is 204421051. The reversal of 204421044 is 440124402.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 204421044.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8517532 + ... + 8517555.
Almost surely, 2204421044 is an apocalyptic number.
It is an amenable number.
204421044 is an abundant number, since it is smaller than the sum of its proper divisors (272561420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204421044 is a wasteful number, since it uses less digits than its factorization.
204421044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17035094 (or 17035092 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 21.
The square root of 204421044 is about 14297.5887477574. The cubic root of 204421044 is about 589.0812512879.
Adding to 204421044 its reverse (440124402), we get a palindrome (644545446).
The spelling of 204421044 in words is "two hundred four million, four hundred twenty-one thousand, forty-four".
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