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38388383 = 11101109317
BaseRepresentation
bin1001001001110…
…0001010011111
32200020022221222
42102130022133
534311412013
63450443555
7644203325
oct222341237
980208858
1038388383
111a73a840
1210a335bb
137c51127
145153d15
153584508
hex249c29f

38388383 has 16 divisors (see below), whose sum is σ = 42815520. Its totient is φ = 34128000.

The previous prime is 38388353. The next prime is 38388401.

38388383 is nontrivially palindromic in base 10.

38388383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38388383 - 214 = 38371999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38388353) 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 15 ways as a sum of consecutive naturals, for example, 120941 + ... + 121257.

It is an arithmetic number, because the mean of its divisors is an integer number (2675970).

Almost surely, 238388383 is an apocalyptic number.

38388383 is a deficient number, since it is larger than the sum of its proper divisors (4427137).

38388383 is a wasteful number, since it uses less digits than its factorization.

38388383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its digits is 331776, while the sum is 44.

The square root of 38388383 is about 6195.8359403716. The cubic root of 38388383 is about 337.3390413099.

It can be divided in two parts, 3838 and 8383, that added together give a palindrome (12221).

The spelling of 38388383 in words is "thirty-eight million, three hundred eighty-eight thousand, three hundred eighty-three".

Divisors: 1 11 101 109 317 1111 1199 3487 11009 32017 34553 121099 352187 380083 3489853 38388383