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38197073 is a prime number
BaseRepresentation
bin1001000110110…
…1011101010001
32122212121112102
42101231131101
534234301243
63442410145
7642445505
oct221553521
978777472
1038197073
111a61a032
1210960955
137bb5025
145104305
1535479b8
hex246d751

38197073 has 2 divisors, whose sum is σ = 38197074. Its totient is φ = 38197072.

The previous prime is 38197057. The next prime is 38197091. The reversal of 38197073 is 37079183.

It is a happy number.

38197073 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., 19775809 + 18421264 = 4447^2 + 4292^2 .

It is an emirp because it is prime and its reverse (37079183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38197073 - 24 = 38197057 is a prime.

It is not a weakly prime, because it can be changed into another prime (38197573) 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, 19098536 + 19098537.

It is an arithmetic number, because the mean of its divisors is an integer number (19098537).

Almost surely, 238197073 is an apocalyptic number.

It is an amenable number.

38197073 is a deficient number, since it is larger than the sum of its proper divisors (1).

38197073 is an equidigital number, since it uses as much as digits as its factorization.

38197073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 38197073 is about 6180.3780628696. The cubic root of 38197073 is about 336.7777270860. Note that the first 4 decimals are identical.

The spelling of 38197073 in words is "thirty-eight million, one hundred ninety-seven thousand, seventy-three".