Base | Representation |
---|---|
bin | 10011100100010101001 |
3 | 1012120112220 |
4 | 2130202221 |
5 | 131004233 |
6 | 21424253 |
7 | 5310240 |
oct | 2344251 |
9 | 1176486 |
10 | 641193 |
11 | 3a8813 |
12 | 26b089 |
13 | 195b07 |
14 | 129957 |
15 | c9eb3 |
hex | 9c8a9 |
641193 has 16 divisors (see below), whose sum is σ = 1029120. Its totient is φ = 346896.
The previous prime is 641167. The next prime is 641197. The reversal of 641193 is 391146.
It is not a de Polignac number, because 641193 - 26 = 641129 is a prime.
It is a super-2 number, since 2×6411932 = 822256926498, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (641197) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405 + ... + 1202.
It is an arithmetic number, because the mean of its divisors is an integer number (64320).
2641193 is an apocalyptic number.
It is an amenable number.
641193 is a deficient number, since it is larger than the sum of its proper divisors (387927).
641193 is a wasteful number, since it uses less digits than its factorization.
641193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1636.
The product of its digits is 648, while the sum is 24.
The square root of 641193 is about 800.7452778506. The cubic root of 641193 is about 86.2309010431.
Subtracting from 641193 its reverse (391146), we obtain a cube (250047 = 633).
The spelling of 641193 in words is "six hundred forty-one thousand, one hundred ninety-three".
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