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38575013 is a prime number
BaseRepresentation
bin1001001100100…
…1101110100101
32200120210222012
42103021232211
534333400023
63454444005
7645611411
oct223115645
980523865
1038575013
111a857a84
1210b03605
137cb8069
1451a1d41
1535be978
hex24c9ba5

38575013 has 2 divisors, whose sum is σ = 38575014. Its totient is φ = 38575012.

The previous prime is 38575007. The next prime is 38575051. The reversal of 38575013 is 31057583.

38575013 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., 22591009 + 15984004 = 4753^2 + 3998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38575013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38575063) 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, 19287506 + 19287507.

It is an arithmetic number, because the mean of its divisors is an integer number (19287507).

Almost surely, 238575013 is an apocalyptic number.

It is an amenable number.

38575013 is a deficient number, since it is larger than the sum of its proper divisors (1).

38575013 is an equidigital number, since it uses as much as digits as its factorization.

38575013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 38575013 is about 6210.8786012931. The cubic root of 38575013 is about 337.8848299887.

The spelling of 38575013 in words is "thirty-eight million, five hundred seventy-five thousand, thirteen".