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38505683 = 414321841
BaseRepresentation
bin1001001011100…
…0110011010011
32200110021212102
42102320303103
534324140213
63453151015
7645202316
oct222706323
980407772
1038505683
111a80a987
1210a8b46b
137c92638
14518497d
1535a9158
hex24b8cd3

38505683 has 8 divisors (see below), whose sum is σ = 40364016. Its totient is φ = 36691200.

The previous prime is 38505679. The next prime is 38505713. The reversal of 38505683 is 38650583.

38505683 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.

It is a cyclic number.

It is not a de Polignac number, because 38505683 - 22 = 38505679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38508683) 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 7 ways as a sum of consecutive naturals, for example, 9158 + ... + 12683.

It is an arithmetic number, because the mean of its divisors is an integer number (5045502).

Almost surely, 238505683 is an apocalyptic number.

38505683 is a deficient number, since it is larger than the sum of its proper divisors (1858333).

38505683 is a wasteful number, since it uses less digits than its factorization.

38505683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21925.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 38505683 is about 6205.2947552876. The cubic root of 38505683 is about 337.6822843377.

The spelling of 38505683 in words is "thirty-eight million, five hundred five thousand, six hundred eighty-three".

Divisors: 1 41 43 1763 21841 895481 939163 38505683