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205314330 = 235132347487
BaseRepresentation
bin11000011110011…
…01100100011010
3112022100001022110
430033031210122
5410030024310
632212333150
75042100024
oct1417154432
9468301273
10205314330
11a5992771
12589141b6
13336c8190
141d3a7014
1513058d20
hexc3cd91a

205314330 has 128 divisors (see below), whose sum is σ = 566673408. Its totient is φ = 47215872.

The previous prime is 205314313. The next prime is 205314337. The reversal of 205314330 is 33413502.

205314330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 205314297 and 205314306.

It is not an unprimeable number, because it can be changed into a prime (205314337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 421347 + ... + 421833.

It is an arithmetic number, because the mean of its divisors is an integer number (4427136).

Almost surely, 2205314330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205314330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283336704).

205314330 is an abundant number, since it is smaller than the sum of its proper divisors (361359078).

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

205314330 is a wasteful number, since it uses less digits than its factorization.

205314330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 205314330 is about 14328.7937384834. The cubic root of 205314330 is about 589.9380668496.

Adding to 205314330 its reverse (33413502), we get a palindrome (238727832).

The spelling of 205314330 in words is "two hundred five million, three hundred fourteen thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 23 26 30 39 46 47 65 69 78 94 115 130 138 141 195 230 235 282 299 345 390 470 487 598 611 690 705 897 974 1081 1222 1410 1461 1495 1794 1833 2162 2435 2922 2990 3055 3243 3666 4485 4870 5405 6110 6331 6486 7305 8970 9165 10810 11201 12662 14053 14610 16215 18330 18993 22402 22889 28106 31655 32430 33603 37986 42159 45778 56005 63310 67206 68667 70265 84318 94965 112010 114445 137334 140530 145613 168015 189930 210795 228890 291226 297557 336030 343335 421590 436839 526447 595114 686670 728065 873678 892671 1052894 1456130 1487785 1579341 1785342 2184195 2632235 2975570 3158682 4368390 4463355 5264470 6843811 7896705 8926710 13687622 15793410 20531433 34219055 41062866 68438110 102657165 205314330