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38853213 = 378322291
BaseRepresentation
bin1001010000110…
…1101001011101
32201002221120220
42110031221131
534421300323
63504431553
7651150450
oct224155135
981087526
1038853213
111aa27aa3
12110185b9
138084889
145235497
1536270e3
hex250da5d

38853213 has 16 divisors (see below), whose sum is σ = 59920896. Its totient is φ = 21933360.

The previous prime is 38853181. The next prime is 38853247. The reversal of 38853213 is 31235883.

38853213 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 38853213 - 25 = 38853181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38853263) 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, 9403 + ... + 12888.

It is an arithmetic number, because the mean of its divisors is an integer number (3745056).

Almost surely, 238853213 is an apocalyptic number.

It is an amenable number.

38853213 is a deficient number, since it is larger than the sum of its proper divisors (21067683).

38853213 is a wasteful number, since it uses less digits than its factorization.

38853213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22384.

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

The square root of 38853213 is about 6233.2345535845. The cubic root of 38853213 is about 338.6951514979.

The spelling of 38853213 in words is "thirty-eight million, eight hundred fifty-three thousand, two hundred thirteen".

Divisors: 1 3 7 21 83 249 581 1743 22291 66873 156037 468111 1850153 5550459 12951071 38853213