Search a number
-
+
38044561 is a prime number
BaseRepresentation
bin1001000100100…
…0001110010001
32122120212022211
42101020032101
534214411221
63435232121
7641242042
oct221101621
978525284
1038044561
111a525495
12108a8641
137b60799
1450a48c9
1535176e1
hex2448391

38044561 has 2 divisors, whose sum is σ = 38044562. Its totient is φ = 38044560.

The previous prime is 38044529. The next prime is 38044577. The reversal of 38044561 is 16544083.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37896336 + 148225 = 6156^2 + 385^2 .

It is an emirp because it is prime and its reverse (16544083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38044561 - 25 = 38044529 is a prime.

It is not a weakly prime, because it can be changed into another prime (38044511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19022280 + 19022281.

It is an arithmetic number, because the mean of its divisors is an integer number (19022281).

Almost surely, 238044561 is an apocalyptic number.

It is an amenable number.

38044561 is a deficient number, since it is larger than the sum of its proper divisors (1).

38044561 is an equidigital number, since it uses as much as digits as its factorization.

38044561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 38044561 is about 6168.0273183571. The cubic root of 38044561 is about 336.3289042452.

The spelling of 38044561 in words is "thirty-eight million, forty-four thousand, five hundred sixty-one".