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225792864 = 253211263271
BaseRepresentation
bin11010111010101…
…01001101100000
3120201212110120200
431131111031200
5430300332424
634223305200
75411131143
oct1535251540
9521773520
10225792864
111064aa580
126374b200
1337a1835b
1421db805a
1514c518c9
hexd755360

225792864 has 144 divisors (see below), whose sum is σ = 705729024. Its totient is φ = 67910400.

The previous prime is 225792859. The next prime is 225792877. The reversal of 225792864 is 468297522.

225792864 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 833049 + ... + 833319.

It is an arithmetic number, because the mean of its divisors is an integer number (4900896).

Almost surely, 2225792864 is an apocalyptic number.

225792864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225792864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352864512).

225792864 is an abundant number, since it is smaller than the sum of its proper divisors (479936160).

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

225792864 is a wasteful number, since it uses less digits than its factorization.

225792864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 550 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 225792864 is about 15026.4055582165. The cubic root of 225792864 is about 608.9337855809.

The spelling of 225792864 in words is "two hundred twenty-five million, seven hundred ninety-two thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 176 198 263 264 271 288 352 396 526 528 542 789 792 813 1052 1056 1084 1578 1584 1626 2104 2168 2367 2439 2893 2981 3156 3168 3252 4208 4336 4734 4878 5786 5962 6312 6504 8416 8672 8679 8943 9468 9756 11572 11924 12624 13008 17358 17886 18936 19512 23144 23848 25248 26016 26037 26829 34716 35772 37872 39024 46288 47696 52074 53658 69432 71273 71544 75744 78048 92576 95392 104148 107316 138864 142546 143088 208296 213819 214632 277728 285092 286176 416592 427638 429264 570184 641457 784003 833184 855276 858528 1140368 1282914 1568006 1710552 2280736 2352009 2565828 3136012 3421104 4704018 5131656 6272024 6842208 7056027 9408036 10263312 12544048 14112054 18816072 20526624 25088096 28224108 37632144 56448216 75264288 112896432 225792864