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33828839 = 1110130449
BaseRepresentation
bin1000000100001…
…0111111100111
32100122200102222
42001002333213
532130010324
63205022555
7560353232
oct201027747
970580388
1033828839
1118106120
12b3b4a5b
137015985
1446c8419
152e8355e
hex2042fe7

33828839 has 8 divisors (see below), whose sum is σ = 37270800. Its totient is φ = 30448000.

The previous prime is 33828833. The next prime is 33828869. The reversal of 33828839 is 93882833.

33828839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-33828839 is a prime.

It is a super-2 number, since 2×338288392 = 2288780696175842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33828839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33828833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14114 + ... + 16335.

It is an arithmetic number, because the mean of its divisors is an integer number (4658850).

Almost surely, 233828839 is an apocalyptic number.

33828839 is a deficient number, since it is larger than the sum of its proper divisors (3441961).

33828839 is a wasteful number, since it uses less digits than its factorization.

33828839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30561.

The product of its digits is 248832, while the sum is 44.

The square root of 33828839 is about 5816.2564420768. The cubic root of 33828839 is about 323.4166426016.

It can be divided in two parts, 3382 and 8839, that added together give a palindrome (12221).

The spelling of 33828839 in words is "thirty-three million, eight hundred twenty-eight thousand, eight hundred thirty-nine".

Divisors: 1 11 101 1111 30449 334939 3075349 33828839