Search a number
-
+
38738769 = 314279049
BaseRepresentation
bin1001001111000…
…1101101010001
32200220010121020
42103301231101
534404120034
63502150053
7650163006
oct223615521
980803536
1038738769
111a95a013
1210b82329
138044764
1452058ad
153603249
hex24f1b51

38738769 has 8 divisors (see below), whose sum is σ = 51693600. Its totient is φ = 25804896.

The previous prime is 38738759. The next prime is 38738771. The reversal of 38738769 is 96783783.

38738769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38738769 - 24 = 38738753 is a prime.

It is a super-2 number, since 2×387387692 = 3001384447270722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38738719) 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 in 7 ways as a sum of consecutive naturals, for example, 244 + ... + 8805.

It is an arithmetic number, because the mean of its divisors is an integer number (6461700).

Almost surely, 238738769 is an apocalyptic number.

It is an amenable number.

38738769 is a deficient number, since it is larger than the sum of its proper divisors (12954831).

38738769 is a wasteful number, since it uses less digits than its factorization.

38738769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479.

The product of its digits is 1524096, while the sum is 51.

The square root of 38738769 is about 6224.0476379925. The cubic root of 38738769 is about 338.3622768534.

The spelling of 38738769 in words is "thirty-eight million, seven hundred thirty-eight thousand, seven hundred sixty-nine".

Divisors: 1 3 1427 4281 9049 27147 12912923 38738769