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33828845 = 56765769
BaseRepresentation
bin1000000100001…
…0111111101101
32100122200110012
42001002333231
532130010340
63205023005
7560353241
oct201027755
970580405
1033828845
1118106126
12b3b4a65
13701598b
1446c8421
152e83565
hex2042fed

33828845 has 4 divisors (see below), whose sum is σ = 40594620. Its totient is φ = 27063072.

The previous prime is 33828833. The next prime is 33828869. The reversal of 33828845 is 54882833.

33828845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54882833 = 503109111.

It can be written as a sum of positive squares in 2 ways, for example, as 18913801 + 14915044 = 4349^2 + 3862^2 .

It is a cyclic number.

It is not a de Polignac number, because 33828845 - 24 = 33828829 is a prime.

It is a super-2 number, since 2×338288452 = 2288781508068050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3382880 + ... + 3382889.

It is an arithmetic number, because the mean of its divisors is an integer number (10148655).

Almost surely, 233828845 is an apocalyptic number.

It is an amenable number.

33828845 is a deficient number, since it is larger than the sum of its proper divisors (6765775).

33828845 is an equidigital number, since it uses as much as digits as its factorization.

33828845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765774.

The product of its digits is 184320, while the sum is 41.

The square root of 33828845 is about 5816.2569578725. The cubic root of 33828845 is about 323.4166617223.

The spelling of 33828845 in words is "thirty-three million, eight hundred twenty-eight thousand, eight hundred forty-five".

Divisors: 1 5 6765769 33828845