Base | Representation |
---|---|
bin | 11000100000011001000011 |
3 | 110002101020210 |
4 | 120200121003 |
5 | 3121033011 |
6 | 345405203 |
7 | 105414150 |
oct | 30403103 |
9 | 13071223 |
10 | 6424131 |
11 | 36985aa |
12 | 2199803 |
13 | 143c07c |
14 | bd3227 |
15 | 86d6a6 |
hex | 620643 |
6424131 has 16 divisors (see below), whose sum is σ = 9849600. Its totient is φ = 3648288.
The previous prime is 6424129. The next prime is 6424141. The reversal of 6424131 is 1314246.
It is not a de Polignac number, because 6424131 - 21 = 6424129 is a prime.
It is a super-2 number, since 2×64241312 = 82538918210322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
6424131 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 6424098 and 6424107.
It is not an unprimeable number, because it can be changed into a prime (6424111) 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, 2905 + ... + 4613.
It is an arithmetic number, because the mean of its divisors is an integer number (615600).
Almost surely, 26424131 is an apocalyptic number.
6424131 is a deficient number, since it is larger than the sum of its proper divisors (3425469).
6424131 is a wasteful number, since it uses less digits than its factorization.
6424131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1898.
The product of its digits is 576, while the sum is 21.
The square root of 6424131 is about 2534.5869485973. The cubic root of 6424131 is about 185.8966068911.
Adding to 6424131 its reverse (1314246), we get a palindrome (7738377).
It can be divided in two parts, 6424 and 131, that added together give a triangular number (6555 = T114).
The spelling of 6424131 in words is "six million, four hundred twenty-four thousand, one hundred thirty-one".
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