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38489686 = 2101190543
BaseRepresentation
bin1001001011010…
…0111001010110
32200102110220221
42102310321112
534323132221
63452544554
7645104554
oct222647126
980373827
1038489686
111a7a9964
1210a8215a
137c88281
14517cbd4
1535a4541
hex24b4e56

38489686 has 8 divisors (see below), whose sum is σ = 58306464. Its totient is φ = 19054200.

The previous prime is 38489681. The next prime is 38489701. The reversal of 38489686 is 68698483.

38489686 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (38489681) 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 3 ways as a sum of consecutive naturals, for example, 95070 + ... + 95473.

It is an arithmetic number, because the mean of its divisors is an integer number (7288308).

Almost surely, 238489686 is an apocalyptic number.

38489686 is a deficient number, since it is larger than the sum of its proper divisors (19816778).

38489686 is a wasteful number, since it uses less digits than its factorization.

38489686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190646.

The product of its digits is 1990656, while the sum is 52.

The square root of 38489686 is about 6204.0056415190. The cubic root of 38489686 is about 337.6355150358.

The spelling of 38489686 in words is "thirty-eight million, four hundred eighty-nine thousand, six hundred eighty-six".

Divisors: 1 2 101 202 190543 381086 19244843 38489686