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38683005 = 3513918553
BaseRepresentation
bin1001001110010…
…0000101111101
32200210022002220
42103210011331
534400324010
63501035553
7646541304
oct223440575
980708086
1038683005
111a921129
1210b55bb9
13802526a
1451cd43b
1535e1970
hex24e417d

38683005 has 16 divisors (see below), whose sum is σ = 62341440. Its totient is φ = 20481408.

The previous prime is 38683003. The next prime is 38683027. The reversal of 38683005 is 50038683.

38683005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38683005 - 21 = 38683003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38683003) 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, 7192 + ... + 11361.

It is an arithmetic number, because the mean of its divisors is an integer number (3896340).

Almost surely, 238683005 is an apocalyptic number.

It is an amenable number.

38683005 is a deficient number, since it is larger than the sum of its proper divisors (23658435).

38683005 is a wasteful number, since it uses less digits than its factorization.

38683005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18700.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 38683005 is about 6219.5663032080. The cubic root of 38683005 is about 338.1998427220.

The spelling of 38683005 in words is "thirty-eight million, six hundred eighty-three thousand, five".

Divisors: 1 3 5 15 139 417 695 2085 18553 55659 92765 278295 2578867 7736601 12894335 38683005