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268342272 = 21032112647
BaseRepresentation
bin11111111111010…
…01010000000000
3200200221012101200
433333221100000
51022143423042
642343301200
76435604662
oct1777512000
9620835350
10268342272
11128521580
1275a4a800
1343795413
14278d2532
1518858c4c
hexffe9400

268342272 has 132 divisors (see below), whose sum is σ = 845591136. Its totient is φ = 81285120.

The previous prime is 268342271. The next prime is 268342309. The reversal of 268342272 is 272243862.

It is a happy number.

268342272 is digitally balanced in base 2, because in such base 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 (132).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268342271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100053 + ... + 102699.

Almost surely, 2268342272 is an apocalyptic number.

268342272 is a gapful number since it is divisible by the number (22) 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 268342272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422795568).

268342272 is an abundant number, since it is smaller than the sum of its proper divisors (577248864).

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

268342272 is a wasteful number, since it uses less digits than its factorization.

268342272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684 (or 2663 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 268342272 is about 16381.1560031641. The cubic root of 268342272 is about 645.0049251472.

The spelling of 268342272 in words is "two hundred sixty-eight million, three hundred forty-two thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 144 176 192 198 256 264 288 352 384 396 512 528 576 704 768 792 1024 1056 1152 1408 1536 1584 2112 2304 2647 2816 3072 3168 4224 4608 5294 5632 6336 7941 8448 9216 10588 11264 12672 15882 16896 21176 23823 25344 29117 31764 33792 42352 47646 50688 58234 63528 84704 87351 95292 101376 116468 127056 169408 174702 190584 232936 254112 262053 338816 349404 381168 465872 508224 524106 677632 698808 762336 931744 1016448 1048212 1355264 1397616 1524672 1863488 2032896 2096424 2710528 2795232 3049344 3726976 4065792 4192848 5590464 6098688 7453952 8131584 8385696 11180928 12197376 14907904 16771392 22361856 24394752 29815808 33542784 44723712 67085568 89447424 134171136 268342272