Search a number
-
+
38381934 = 236396989
BaseRepresentation
bin1001001001101…
…0100101101110
32200020000010010
42102122211232
534311210214
63450354050
7644145453
oct222324556
980200103
1038381934
111a735a08
1210a2b926
137c4b206
14515182a
153582659
hex249a96e

38381934 has 8 divisors (see below), whose sum is σ = 76763880. Its totient is φ = 12793976.

The previous prime is 38381933. The next prime is 38381969. The reversal of 38381934 is 43918383.

38381934 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.

38381934 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 38381892 and 38381901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38381933) 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, 3198489 + ... + 3198500.

It is an arithmetic number, because the mean of its divisors is an integer number (9595485).

Almost surely, 238381934 is an apocalyptic number.

38381934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38381934 is a wasteful number, since it uses less digits than its factorization.

38381934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6396994.

The product of its digits is 62208, while the sum is 39.

The square root of 38381934 is about 6195.3154883347. The cubic root of 38381934 is about 337.3201499931.

The spelling of 38381934 in words is "thirty-eight million, three hundred eighty-one thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 6396989 12793978 19190967 38381934