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38205190 = 2579137353
BaseRepresentation
bin1001000110111…
…1011100000110
32122220000200001
42101233130012
534240031230
63442511514
7642511252
oct221573406
978800601
1038205190
111a625141
121096559a
137bb892a
145107262
15354a0ca
hex246f706

38205190 has 32 divisors (see below), whose sum is σ = 70346880. Its totient is φ = 14936064.

The previous prime is 38205179. The next prime is 38205191. The reversal of 38205190 is 9150283.

38205190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×382051902 = 2919273085872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38205191) 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, 108054 + ... + 108406.

It is an arithmetic number, because the mean of its divisors is an integer number (2198340).

Almost surely, 238205190 is an apocalyptic number.

38205190 is a deficient number, since it is larger than the sum of its proper divisors (32141690).

38205190 is a wasteful number, since it uses less digits than its factorization.

38205190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 38205190 is about 6181.0347030251. The cubic root of 38205190 is about 336.8015808439.

The spelling of 38205190 in words is "thirty-eight million, two hundred five thousand, one hundred ninety".

Divisors: 1 2 5 10 79 137 158 274 353 395 685 706 790 1370 1765 3530 10823 21646 27887 48361 54115 55774 96722 108230 139435 241805 278870 483610 3820519 7641038 19102595 38205190