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38693289 = 3103125221
BaseRepresentation
bin1001001110011…
…0100110101001
32200210211012210
42103212212221
534401141124
63501155333
7646613265
oct223464651
980724183
1038693289
111a928928
1210b5bb49
138029b4b
1451d30a5
1535e4a29
hex24e69a9

38693289 has 8 divisors (see below), whose sum is σ = 52092352. Its totient is φ = 25544880.

The previous prime is 38693261. The next prime is 38693311. The reversal of 38693289 is 98239683.

38693289 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 not a de Polignac number, because 38693289 - 212 = 38689193 is a prime.

It is a super-2 number, since 2×386932892 = 2994341227275042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38693209) 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, 62302 + ... + 62919.

It is an arithmetic number, because the mean of its divisors is an integer number (6511544).

Almost surely, 238693289 is an apocalyptic number.

It is an amenable number.

38693289 is a deficient number, since it is larger than the sum of its proper divisors (13399063).

38693289 is a wasteful number, since it uses less digits than its factorization.

38693289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125327.

The product of its digits is 559872, while the sum is 48.

The square root of 38693289 is about 6220.3929940157. The cubic root of 38693289 is about 338.2298105680.

The spelling of 38693289 in words is "thirty-eight million, six hundred ninety-three thousand, two hundred eighty-nine".

Divisors: 1 3 103 309 125221 375663 12897763 38693289