Base | Representation |
---|---|
bin | 11111101111110101001101 |
3 | 120122211011100 |
4 | 133233311031 |
5 | 4112304011 |
6 | 454213313 |
7 | 130511334 |
oct | 37576515 |
9 | 16584140 |
10 | 8322381 |
11 | 4774801 |
12 | 2954239 |
13 | 19550b2 |
14 | 1168d1b |
15 | ae5d56 |
hex | 7efd4d |
8322381 has 6 divisors (see below), whose sum is σ = 12021230. Its totient is φ = 5548248.
The previous prime is 8322371. The next prime is 8322383. The reversal of 8322381 is 1832238.
It can be written as a sum of positive squares in only one way, i.e., 8037225 + 285156 = 2835^2 + 534^2 .
It is not a de Polignac number, because 8322381 - 26 = 8322317 is a prime.
It is a super-2 number, since 2×83223812 = 138524051018322, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8322383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 462346 + ... + 462363.
Almost surely, 28322381 is an apocalyptic number.
It is an amenable number.
8322381 is a deficient number, since it is larger than the sum of its proper divisors (3698849).
8322381 is a wasteful number, since it uses less digits than its factorization.
8322381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 924715 (or 924712 counting only the distinct ones).
The product of its digits is 2304, while the sum is 27.
The square root of 8322381 is about 2884.8537224615. The cubic root of 8322381 is about 202.6512085081.
The spelling of 8322381 in words is "eight million, three hundred twenty-two thousand, three hundred eighty-one".
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