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268404048 = 243211295843
BaseRepresentation
bin11111111111110…
…00010101010000
3200201001100010200
433333320111100
51022202412143
642344455200
76436253043
oct1777702520
9621040120
10268404048
11128563a30
1275a7a500
13437b7583
142790ac5a
151886c1d3
hexfff8550

268404048 has 120 divisors (see below), whose sum is σ = 847847520. Its totient is φ = 78516480.

The previous prime is 268403977. The next prime is 268404067. The reversal of 268404048 is 840404862.

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

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43015 + ... + 48857.

It is an arithmetic number, because the mean of its divisors is an integer number (7065396).

Almost surely, 2268404048 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 268404048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423923760).

268404048 is an abundant number, since it is smaller than the sum of its proper divisors (579443472).

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

268404048 is a wasteful number, since it uses less digits than its factorization.

268404048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897 (or 5888 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 268404048 is about 16383.0414758677. The cubic root of 268404048 is about 645.0544176189.

The spelling of 268404048 in words is "two hundred sixty-eight million, four hundred four thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 29 33 36 44 48 58 66 72 87 88 99 116 132 144 174 176 198 232 261 264 319 348 396 464 522 528 638 696 792 957 1044 1276 1392 1584 1914 2088 2552 2871 3828 4176 5104 5742 5843 7656 11484 11686 15312 17529 22968 23372 35058 45936 46744 52587 64273 70116 93488 105174 128546 140232 169447 192819 210348 257092 280464 338894 385638 420696 508341 514184 578457 677788 771276 841392 1016682 1028368 1156914 1355576 1525023 1542552 1863917 2033364 2313828 2711152 3050046 3085104 3727834 4066728 4627656 5591751 6100092 7455668 8133456 9255312 11183502 12200184 14911336 16775253 22367004 24400368 29822672 33550506 44734008 67101012 89468016 134202024 268404048