Search a number
-
+
38670497 is a prime number
BaseRepresentation
bin1001001110000…
…1000010100001
32200202122221122
42103201002201
534344423442
63500502025
7646456655
oct223410241
980678848
1038670497
111a912798
1210b4a915
13801c668
1451c8a65
1535dcdd2
hex24e10a1

38670497 has 2 divisors, whose sum is σ = 38670498. Its totient is φ = 38670496.

The previous prime is 38670481. The next prime is 38670551. The reversal of 38670497 is 79407683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35628961 + 3041536 = 5969^2 + 1744^2 .

It is an emirp because it is prime and its reverse (79407683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38670497 - 24 = 38670481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38670407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19335248 + 19335249.

It is an arithmetic number, because the mean of its divisors is an integer number (19335249).

Almost surely, 238670497 is an apocalyptic number.

It is an amenable number.

38670497 is a deficient number, since it is larger than the sum of its proper divisors (1).

38670497 is an equidigital number, since it uses as much as digits as its factorization.

38670497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 38670497 is about 6218.5606855606. The cubic root of 38670497 is about 338.1633869222.

The spelling of 38670497 in words is "thirty-eight million, six hundred seventy thousand, four hundred ninety-seven".