Base | Representation |
---|---|
bin | 1001011000000… |
… | …1011010010101 |
3 | 2202000001000200 |
4 | 2112001122111 |
5 | 40031434011 |
6 | 3522531113 |
7 | 655164042 |
oct | 226013225 |
9 | 82001020 |
10 | 39327381 |
11 | 20221275 |
12 | 11206a99 |
13 | 81bc652 |
14 | 531a1c9 |
15 | 36bc856 |
hex | 2581695 |
39327381 has 12 divisors (see below), whose sum is σ = 56860908. Its totient is φ = 26193024.
The previous prime is 39327367. The next prime is 39327403. The reversal of 39327381 is 18372393.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 5803281 + 33524100 = 2409^2 + 5790^2 .
It is not a de Polignac number, because 39327381 - 25 = 39327349 is a prime.
It is a super-2 number, since 2×393273812 = 3093285792638322, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39327581) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15691 + ... + 18023.
It is an arithmetic number, because the mean of its divisors is an integer number (4738409).
Almost surely, 239327381 is an apocalyptic number.
It is an amenable number.
39327381 is a deficient number, since it is larger than the sum of its proper divisors (17533527).
39327381 is a wasteful number, since it uses less digits than its factorization.
39327381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4212 (or 4209 counting only the distinct ones).
The product of its digits is 27216, while the sum is 36.
The square root of 39327381 is about 6271.1546783667. The cubic root of 39327381 is about 340.0674058975.
It can be divided in two parts, 3932 and 7381, that multiplied together give a palindrome (29022092).
The spelling of 39327381 in words is "thirty-nine million, three hundred twenty-seven thousand, three hundred eighty-one".
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