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38336857 = 135934973
BaseRepresentation
bin1001001000111…
…1100101011001
32200010201021121
42102033211121
534303234412
63445405241
7643600156
oct222174531
980121247
1038336857
111a705059
1210a09821
137c33840
14513d22d
153574107
hex248f959

38336857 has 8 divisors (see below), whose sum is σ = 41363784. Its totient is φ = 35321088.

The previous prime is 38336849. The next prime is 38336867. The reversal of 38336857 is 75863383.

38336857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4044121 + 34292736 = 2011^2 + 5856^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38336857 - 23 = 38336849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38336807) 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, 5223 + ... + 10195.

It is an arithmetic number, because the mean of its divisors is an integer number (5170473).

Almost surely, 238336857 is an apocalyptic number.

It is an amenable number.

38336857 is a deficient number, since it is larger than the sum of its proper divisors (3026927).

38336857 is a wasteful number, since it uses less digits than its factorization.

38336857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579.

The product of its digits is 362880, while the sum is 43.

The square root of 38336857 is about 6191.6764288842. The cubic root of 38336857 is about 337.1880449872.

It can be divided in two parts, 38336 and 857, that added together give a palindrome (39193).

The spelling of 38336857 in words is "thirty-eight million, three hundred thirty-six thousand, eight hundred fifty-seven".

Divisors: 1 13 593 4973 7709 64649 2948989 38336857