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255216204 = 223347137367
BaseRepresentation
bin11110011011001…
…00101001001100
3122210020022211000
433031210221030
51010313404304
641154100300
76216205365
oct1715445114
9583208730
10255216204
11121076791
127157a690
1340b4aa09
1425c76b6c
1517614939
hexf364a4c

255216204 has 96 divisors (see below), whose sum is σ = 682536960. Its totient is φ = 82429056.

The previous prime is 255216191. The next prime is 255216239. The reversal of 255216204 is 402612552.

255216204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 695229 + ... + 695595.

It is an arithmetic number, because the mean of its divisors is an integer number (7109760).

Almost surely, 2255216204 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 255216204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341268480).

255216204 is an abundant number, since it is smaller than the sum of its proper divisors (427320756).

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

255216204 is a wasteful number, since it uses less digits than its factorization.

255216204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 255216204 is about 15975.4875981924. The cubic root of 255216204 is about 634.3117382101.

Adding to 255216204 its reverse (402612552), we get a palindrome (657828756).

The spelling of 255216204 in words is "two hundred fifty-five million, two hundred sixteen thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 47 54 94 108 137 141 188 274 282 367 411 423 548 564 734 822 846 1101 1233 1269 1468 1644 1692 2202 2466 2538 3303 3699 4404 4932 5076 6439 6606 7398 9909 12878 13212 14796 17249 19317 19818 25756 34498 38634 39636 50279 51747 57951 68996 77268 100558 103494 115902 150837 155241 173853 201116 206988 231804 301674 310482 347706 452511 465723 603348 620964 695412 905022 931446 1357533 1810044 1862892 2363113 2715066 4726226 5430132 7089339 9452452 14178678 21268017 28357356 42536034 63804051 85072068 127608102 255216204