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204989196 = 223171019949
BaseRepresentation
bin11000011011111…
…10001100001100
3112021201112022110
430031332030030
5404434123241
632201344020
75036244066
oct1415761414
9467645273
10204989196
11a5790465
1258798010
13336131a9
141d320736
1512ee2816
hexc37e30c

204989196 has 48 divisors (see below), whose sum is σ = 511509600. Its totient is φ = 63667200.

The previous prime is 204989159. The next prime is 204989201. The reversal of 204989196 is 691989402.

204989196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15630 + ... + 25578.

It is an arithmetic number, because the mean of its divisors is an integer number (10656450).

Almost surely, 2204989196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204989196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255754800).

204989196 is an abundant number, since it is smaller than the sum of its proper divisors (306520404).

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

204989196 is a wasteful number, since it uses less digits than its factorization.

204989196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10074 (or 10072 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 204989196 is about 14317.4437662594. The cubic root of 204989196 is about 589.6264953816.

The spelling of 204989196 in words is "two hundred four million, nine hundred eighty-nine thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 101 102 202 204 303 404 606 1212 1717 3434 5151 6868 9949 10302 19898 20604 29847 39796 59694 119388 169133 338266 507399 676532 1004849 1014798 2009698 2029596 3014547 4019396 6029094 12058188 17082433 34164866 51247299 68329732 102494598 204989196