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33828793 = 1710211949
BaseRepresentation
bin1000000100001…
…0111110111001
32100122200101021
42001002332321
532130010133
63205022441
7560353135
oct201027671
970580337
1033828793
1118106089
12b3b4a21
13701594b
1446c83c5
152e8352d
hex2042fb9

33828793 has 8 divisors (see below), whose sum is σ = 35872200. Its totient is φ = 31791360.

The previous prime is 33828779. The next prime is 33828829. The reversal of 33828793 is 39782833.

It can be written as a sum of positive squares in 4 ways, for example, as 15578809 + 18249984 = 3947^2 + 4272^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33828793 - 217 = 33697721 is a prime.

It is a super-2 number, since 2×338287932 = 2288774471673698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33828763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16383 + ... + 18331.

It is an arithmetic number, because the mean of its divisors is an integer number (4484025).

Almost surely, 233828793 is an apocalyptic number.

It is an amenable number.

33828793 is a deficient number, since it is larger than the sum of its proper divisors (2043407).

33828793 is a wasteful number, since it uses less digits than its factorization.

33828793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987.

The product of its digits is 217728, while the sum is 43.

The square root of 33828793 is about 5816.2524876418. The cubic root of 33828793 is about 323.4164960090.

The spelling of 33828793 in words is "thirty-three million, eight hundred twenty-eight thousand, seven hundred ninety-three".

Divisors: 1 17 1021 1949 17357 33133 1989929 33828793