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33824768 = 2134129
BaseRepresentation
bin1000000100001…
…0000000000000
32100122110212012
42001002000000
532124343033
63204552052
7560335325
oct201020000
970573765
1033824768
111810305a
12b3b2628
137013b73
1446c6b4c
152e82248
hex2042000

33824768 has 28 divisors (see below), whose sum is σ = 67661790. Its totient is φ = 16908288.

The previous prime is 33824753. The next prime is 33824779. The reversal of 33824768 is 86742833.

It can be written as a sum of positive squares in only one way, i.e., 28217344 + 5607424 = 5312^2 + 2368^2 .

It is a super-3 number, since 3×338247683 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6128 + ... + 10256.

Almost surely, 233824768 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 33824768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33830895).

33824768 is an abundant number, since it is smaller than the sum of its proper divisors (33837022).

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

33824768 is an frugal number, since it uses more digits than its factorization.

33824768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155 (or 4131 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 33824768 is about 5815.9064641722. The cubic root of 33824768 is about 323.4036686420.

The spelling of 33824768 in words is "thirty-three million, eight hundred twenty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 4129 8192 8258 16516 33032 66064 132128 264256 528512 1057024 2114048 4228096 8456192 16912384 33824768