[go: up one dir, main page]

Search a number
-
+
38364239 is a prime number
BaseRepresentation
bin1001001001011…
…0010001001111
32200012002211202
42102112101033
534310123424
63450140115
7644043044
oct222262117
980162752
1038364239
111a723691
1210a2163b
137c43144
1451491cb
15357c2ae
hex249644f

38364239 has 2 divisors, whose sum is σ = 38364240. Its totient is φ = 38364238.

The previous prime is 38364199. The next prime is 38364241. The reversal of 38364239 is 93246383.

It is a strong prime.

It is an emirp because it is prime and its reverse (93246383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38364239 - 224 = 21587023 is a prime.

Together with 38364241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38364259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19182119 + 19182120.

It is an arithmetic number, because the mean of its divisors is an integer number (19182120).

Almost surely, 238364239 is an apocalyptic number.

38364239 is a deficient number, since it is larger than the sum of its proper divisors (1).

38364239 is an equidigital number, since it uses as much as digits as its factorization.

38364239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 38364239 is about 6193.8872285504. The cubic root of 38364239 is about 337.2683044421.

The spelling of 38364239 in words is "thirty-eight million, three hundred sixty-four thousand, two hundred thirty-nine".