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204930072 = 233223911909
BaseRepresentation
bin11000011011011…
…11110000011000
3112021121112012200
430031233300120
5404430230242
632200210200
75035606524
oct1415576030
9467545180
10204930072
11a574aaa6
1258769960
13335c22c9
141d306d84
1512ed004c
hexc36fc18

204930072 has 48 divisors (see below), whose sum is σ = 557388000. Its totient is φ = 68018496.

The previous prime is 204930031. The next prime is 204930073. The reversal of 204930072 is 270039402.

204930072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204930073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11254 + ... + 23162.

It is an arithmetic number, because the mean of its divisors is an integer number (11612250).

Almost surely, 2204930072 is an apocalyptic number.

It is an amenable number.

204930072 is an abundant number, since it is smaller than the sum of its proper divisors (352457928).

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

204930072 is a wasteful number, since it uses less digits than its factorization.

204930072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12160 (or 12153 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 204930072 is about 14315.3788633064. The cubic root of 204930072 is about 589.5698022652.

Adding to 204930072 its reverse (270039402), we get a palindrome (474969474).

The spelling of 204930072 in words is "two hundred four million, nine hundred thirty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 239 478 717 956 1434 1912 2151 2868 4302 5736 8604 11909 17208 23818 35727 47636 71454 95272 107181 142908 214362 285816 428724 857448 2846251 5692502 8538753 11385004 17077506 22770008 25616259 34155012 51232518 68310024 102465036 204930072