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204344012 = 221719158161
BaseRepresentation
bin11000010111000…
…00101011001100
3112020111202021202
430023200223030
5404303002022
632135445032
75030616065
oct1413405314
9466452252
10204344012
11a538a754
1258526778
1333448622
141d1d356c
1512e16592
hexc2e0acc

204344012 has 24 divisors (see below), whose sum is σ = 398568240. Its totient is φ = 91100160.

The previous prime is 204344011. The next prime is 204344017. The reversal of 204344012 is 210443402.

It is a super-2 number, since 2×2043440122 = 83512950480512288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204344011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77789 + ... + 80372.

It is an arithmetic number, because the mean of its divisors is an integer number (16607010).

Almost surely, 2204344012 is an apocalyptic number.

It is an amenable number.

204344012 is a deficient number, since it is larger than the sum of its proper divisors (194224228).

204344012 is a wasteful number, since it uses less digits than its factorization.

204344012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158201 (or 158199 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204344012 is about 14294.8946131128. The cubic root of 204344012 is about 589.0072474782.

Adding to 204344012 its reverse (210443402), we get a palindrome (414787414).

The spelling of 204344012 in words is "two hundred four million, three hundred forty-four thousand, twelve".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292 158161 316322 632644 2688737 3005059 5377474 6010118 10754948 12020236 51086003 102172006 204344012