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33830748 = 223271753149
BaseRepresentation
bin1000000100001…
…1011101011100
32100122210001200
42001003131130
532130040443
63205035500
7560361630
oct201033534
970583050
1033830748
11181075a6
12b3b5b90
1370167c3
1446c8dc0
152e83dd3
hex204375c

33830748 has 144 divisors (see below), whose sum is σ = 106142400. Its totient is φ = 8865792.

The previous prime is 33830747. The next prime is 33830759. The reversal of 33830748 is 84703833.

It is a super-2 number, since 2×338307482 = 2289039020479008, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33830743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226978 + ... + 227126.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 233830748 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 33830748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53071200).

33830748 is an abundant number, since it is smaller than the sum of its proper divisors (72311652).

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

33830748 is a wasteful number, since it uses less digits than its factorization.

33830748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 33830748 is about 5816.4205487568. The cubic root of 33830748 is about 323.4227260773.

The spelling of 33830748 in words is "thirty-three million, eight hundred thirty thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 53 63 68 84 102 106 119 126 149 153 159 204 212 238 252 298 306 318 357 371 447 476 477 596 612 636 714 742 894 901 954 1043 1071 1113 1341 1428 1484 1788 1802 1908 2086 2142 2226 2533 2682 2703 3129 3339 3604 4172 4284 4452 5066 5364 5406 6258 6307 6678 7599 7897 8109 9387 10132 10812 12516 12614 13356 15198 15794 16218 17731 18774 18921 22797 23691 25228 30396 31588 32436 35462 37548 37842 45594 47382 53193 55279 56763 70924 71073 75684 91188 94764 106386 110558 113526 134249 142146 159579 165837 212772 221116 227052 268498 284292 319158 331674 402747 497511 536996 638316 663348 805494 939743 995022 1208241 1610988 1879486 1990044 2416482 2819229 3758972 4832964 5638458 8457687 11276916 16915374 33830748