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38855803 = 7311371307
BaseRepresentation
bin1001010000111…
…0010001111011
32201010002010211
42110032101323
534421341203
63504451551
7651161140
oct224162173
981102124
1038855803
111aa29a38
1211019bb7
138085acc
1452363c7
153627c6d
hex250e47b

38855803 has 16 divisors (see below), whose sum is σ = 46209024. Its totient is φ = 31970880.

The previous prime is 38855797. The next prime is 38855827. The reversal of 38855803 is 30855883.

38855803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38855803 - 25 = 38855771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38855203) 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, 29076 + ... + 30382.

It is an arithmetic number, because the mean of its divisors is an integer number (2888064).

Almost surely, 238855803 is an apocalyptic number.

38855803 is a deficient number, since it is larger than the sum of its proper divisors (7353221).

38855803 is a wasteful number, since it uses less digits than its factorization.

38855803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 38855803 is about 6233.4423074253. The cubic root of 38855803 is about 338.7026772672.

The spelling of 38855803 in words is "thirty-eight million, eight hundred fifty-five thousand, eight hundred three".

Divisors: 1 7 31 137 217 959 1307 4247 9149 29729 40517 179059 283619 1253413 5550829 38855803