Base | Representation |
---|---|
bin | 11000100000011001001111 |
3 | 110002101021020 |
4 | 120200121033 |
5 | 3121033033 |
6 | 345405223 |
7 | 105414165 |
oct | 30403117 |
9 | 13071236 |
10 | 6424143 |
11 | 3698610 |
12 | 2199813 |
13 | 143c08b |
14 | bd3235 |
15 | 86d6b3 |
hex | 62064f |
6424143 has 8 divisors (see below), whose sum is σ = 9344256. Its totient is φ = 3893400.
The previous prime is 6424141. The next prime is 6424177. The reversal of 6424143 is 3414246.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6424143 - 21 = 6424141 is a prime.
It is a super-2 number, since 2×64241432 = 82539226568898, which contains 22 as substring.
6424143 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6424141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97303 + ... + 97368.
It is an arithmetic number, because the mean of its divisors is an integer number (1168032).
Almost surely, 26424143 is an apocalyptic number.
6424143 is a deficient number, since it is larger than the sum of its proper divisors (2920113).
6424143 is a wasteful number, since it uses less digits than its factorization.
6424143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194685.
The product of its digits is 2304, while the sum is 24.
The square root of 6424143 is about 2534.5893158459. The cubic root of 6424143 is about 185.8967226399.
Adding to 6424143 its reverse (3414246), we get a palindrome (9838389).
The spelling of 6424143 in words is "six million, four hundred twenty-four thousand, one hundred forty-three".
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