Search a number
-
+
38145277 is a prime number
BaseRepresentation
bin1001000110000…
…0110011111101
32122202222111001
42101200303331
534231122102
63441330301
7642141502
oct221406375
978688431
1038145277
111a594125
1210936991
137b97591
1450cd4a9
153537487
hex2460cfd

38145277 has 2 divisors, whose sum is σ = 38145278. Its totient is φ = 38145276.

The previous prime is 38145271. The next prime is 38145301. The reversal of 38145277 is 77254183.

38145277 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., 27994681 + 10150596 = 5291^2 + 3186^2 .

It is an emirp because it is prime and its reverse (77254183) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38145277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38145271) 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, 19072638 + 19072639.

It is an arithmetic number, because the mean of its divisors is an integer number (19072639).

Almost surely, 238145277 is an apocalyptic number.

It is an amenable number.

38145277 is a deficient number, since it is larger than the sum of its proper divisors (1).

38145277 is an equidigital number, since it uses as much as digits as its factorization.

38145277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 37.

The square root of 38145277 is about 6176.1862828124. The cubic root of 38145277 is about 336.6254324343.

The spelling of 38145277 in words is "thirty-eight million, one hundred forty-five thousand, two hundred seventy-seven".