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38388573 = 343712809
BaseRepresentation
bin1001001001110…
…0001101011101
32200020100020000
42102130031131
534311413243
63450444513
7644204016
oct222341535
980210200
1038388573
111a73a9a3
1210a33739
137c51242
14515400d
1535845d3
hex249c35d

38388573 has 20 divisors (see below), whose sum is σ = 58900380. Its totient is φ = 24898752.

The previous prime is 38388563. The next prime is 38388577. The reversal of 38388573 is 37588383.

It is a happy number.

38388573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 24235929 + 14152644 = 4923^2 + 3762^2 .

It is not a de Polignac number, because 38388573 - 24 = 38388557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38388577) 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 19 ways as a sum of consecutive naturals, for example, 3408 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (2945019).

Almost surely, 238388573 is an apocalyptic number.

It is an amenable number.

38388573 is a deficient number, since it is larger than the sum of its proper divisors (20511807).

38388573 is a wasteful number, since it uses less digits than its factorization.

38388573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12858 (or 12849 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 38388573 is about 6195.8512732311. The cubic root of 38388573 is about 337.3395978525.

The spelling of 38388573 in words is "thirty-eight million, three hundred eighty-eight thousand, five hundred seventy-three".

Divisors: 1 3 9 27 37 81 111 333 999 2997 12809 38427 115281 345843 473933 1037529 1421799 4265397 12796191 38388573