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38328637 is a prime number
BaseRepresentation
bin1001001000110…
…1100100111101
32200010022000011
42102031210331
534303004022
63445303221
7643534204
oct222154475
980108004
1038328637
111a6a9966
1210a04b11
137c2cb89
14513a23b
153571977
hex248d93d

38328637 has 2 divisors, whose sum is σ = 38328638. Its totient is φ = 38328636.

The previous prime is 38328613. The next prime is 38328673. The reversal of 38328637 is 73682383.

38328637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (38328673) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33977241 + 4351396 = 5829^2 + 2086^2 .

It is an emirp because it is prime and its reverse (73682383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38328637 - 215 = 38295869 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38328637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38328607) 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, 19164318 + 19164319.

It is an arithmetic number, because the mean of its divisors is an integer number (19164319).

Almost surely, 238328637 is an apocalyptic number.

It is an amenable number.

38328637 is a deficient number, since it is larger than the sum of its proper divisors (1).

38328637 is an equidigital number, since it uses as much as digits as its factorization.

38328637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 38328637 is about 6191.0125989211. The cubic root of 38328637 is about 337.1639438648.

The spelling of 38328637 in words is "thirty-eight million, three hundred twenty-eight thousand, six hundred thirty-seven".