Base | Representation |
---|---|
bin | 11111010000010101111001 |
3 | 120102021020022 |
4 | 133100111321 |
5 | 4044142101 |
6 | 451340225 |
7 | 126433316 |
oct | 37202571 |
9 | 16367208 |
10 | 8193401 |
11 | 4696907 |
12 | 28b1675 |
13 | 190b488 |
14 | 1133d0d |
15 | abca1b |
hex | 7d0579 |
8193401 has 4 divisors (see below), whose sum is σ = 8219892. Its totient is φ = 8166912.
The previous prime is 8193397. The next prime is 8193403. The reversal of 8193401 is 1043918.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3613801 + 4579600 = 1901^2 + 2140^2 .
It is a cyclic number.
It is not a de Polignac number, because 8193401 - 22 = 8193397 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (8193403) 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 3 ways as a sum of consecutive naturals, for example, 12776 + ... + 13401.
It is an arithmetic number, because the mean of its divisors is an integer number (2054973).
Almost surely, 28193401 is an apocalyptic number.
It is an amenable number.
8193401 is a deficient number, since it is larger than the sum of its proper divisors (26491).
8193401 is a wasteful number, since it uses less digits than its factorization.
8193401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26490.
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 8193401 is about 2862.4117453644. The cubic root of 8193401 is about 201.5988591861.
The spelling of 8193401 in words is "eight million, one hundred ninety-three thousand, four hundred one".
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