Base | Representation |
---|---|
bin | 1001000110010… |
… | …1100111001011 |
3 | 2122210222110021 |
4 | 2101211213023 |
5 | 34232234224 |
6 | 3442001311 |
7 | 642253021 |
oct | 221454713 |
9 | 78728407 |
10 | 38164939 |
11 | 1a5a797a |
12 | 10946237 |
13 | 7ba3507 |
14 | 50d6711 |
15 | 353d1e4 |
hex | 24659cb |
38164939 has 8 divisors (see below), whose sum is σ = 40265280. Its totient is φ = 36073800.
The previous prime is 38164927. The next prime is 38164943. The reversal of 38164939 is 93946183.
38164939 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 a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38164939 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38164895 and 38164904.
It is not an unprimeable number, because it can be changed into a prime (38164909) 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, 7284 + ... + 11374.
It is an arithmetic number, because the mean of its divisors is an integer number (5033160).
Almost surely, 238164939 is an apocalyptic number.
38164939 is a deficient number, since it is larger than the sum of its proper divisors (2100341).
38164939 is a wasteful number, since it uses less digits than its factorization.
38164939 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4601.
The product of its digits is 139968, while the sum is 43.
The square root of 38164939 is about 6177.7778367306. Note that the first 3 decimals coincide. The cubic root of 38164939 is about 336.6832604092.
The spelling of 38164939 in words is "thirty-eight million, one hundred sixty-four thousand, nine hundred thirty-nine".
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