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38422973 is a prime number
BaseRepresentation
bin1001001010010…
…0100110111101
32200022002102002
42102210212331
534314013343
63451312045
7644406221
oct222444675
980262362
1038422973
111a763826
1210a4b625
137c63ab4
145162781
15358e8b8
hex24a49bd

38422973 has 2 divisors, whose sum is σ = 38422974. Its totient is φ = 38422972.

The previous prime is 38422939. The next prime is 38423023. The reversal of 38422973 is 37922483.

It is a happy number.

38422973 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., 38402809 + 20164 = 6197^2 + 142^2 .

It is an emirp because it is prime and its reverse (37922483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38422973 - 28 = 38422717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38422913) 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, 19211486 + 19211487.

It is an arithmetic number, because the mean of its divisors is an integer number (19211487).

Almost surely, 238422973 is an apocalyptic number.

It is an amenable number.

38422973 is a deficient number, since it is larger than the sum of its proper divisors (1).

38422973 is an equidigital number, since it uses as much as digits as its factorization.

38422973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 38422973 is about 6198.6267027463. The cubic root of 38422973 is about 337.4403311066.

The spelling of 38422973 in words is "thirty-eight million, four hundred twenty-two thousand, nine hundred seventy-three".