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38389039 = 132953003
BaseRepresentation
bin1001001001110…
…0010100101111
32200020100212021
42102130110233
534311422124
63450451011
7644205253
oct222342457
980210767
1038389039
111a740287
1210a33a67
137c51510
145154263
1535847e4
hex249c52f

38389039 has 4 divisors (see below), whose sum is σ = 41342056. Its totient is φ = 35436024.

The previous prime is 38389033. The next prime is 38389081. The reversal of 38389039 is 93098383.

38389039 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.

It is not a de Polignac number, because 38389039 - 23 = 38389031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38388986 and 38389004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38389031) 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 3 ways as a sum of consecutive naturals, for example, 1476489 + ... + 1476514.

It is an arithmetic number, because the mean of its divisors is an integer number (10335514).

Almost surely, 238389039 is an apocalyptic number.

38389039 is a deficient number, since it is larger than the sum of its proper divisors (2953017).

38389039 is a wasteful number, since it uses less digits than its factorization.

38389039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953016.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 38389039 is about 6195.8888789261. Note that the first 4 decimals coincide. The cubic root of 38389039 is about 337.3409628387.

The spelling of 38389039 in words is "thirty-eight million, three hundred eighty-nine thousand, thirty-nine".

Divisors: 1 13 2953003 38389039