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38493841 is a prime number
BaseRepresentation
bin1001001011010…
…1111010010001
32200102200121211
42102311322101
534323300331
63453020121
7645122641
oct222657221
980380554
1038493841
111a801aa1
1210a84641
137c8a129
145180521
1535a58b1
hex24b5e91

38493841 has 2 divisors, whose sum is σ = 38493842. Its totient is φ = 38493840.

The previous prime is 38493839. The next prime is 38493863. The reversal of 38493841 is 14839483.

38493841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38489616 + 4225 = 6204^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 38493841 - 21 = 38493839 is a prime.

Together with 38493839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 38493794 and 38493803.

It is not a weakly prime, because it can be changed into another prime (38493821) 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 as a sum of consecutive naturals, namely, 19246920 + 19246921.

It is an arithmetic number, because the mean of its divisors is an integer number (19246921).

Almost surely, 238493841 is an apocalyptic number.

It is an amenable number.

38493841 is a deficient number, since it is larger than the sum of its proper divisors (1).

38493841 is an equidigital number, since it uses as much as digits as its factorization.

38493841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 38493841 is about 6204.3404967813. The cubic root of 38493841 is about 337.6476639622.

The spelling of 38493841 in words is "thirty-eight million, four hundred ninety-three thousand, eight hundred forty-one".