Base | Representation |
---|---|
bin | 101000000001100… |
… | …1001011100111111 |
3 | 10110121002120222210 |
4 | 1100003021130333 |
5 | 10222302034211 |
6 | 341133111503 |
7 | 45165221661 |
oct | 12003113477 |
9 | 3417076883 |
10 | 1343002431 |
11 | 62a0a9671 |
12 | 315928593 |
13 | 1853132c4 |
14 | ca516531 |
15 | 7cd869a6 |
hex | 500c973f |
1343002431 has 16 divisors (see below), whose sum is σ = 1947249504. Its totient is φ = 819892224.
The previous prime is 1343002391. The next prime is 1343002433. The reversal of 1343002431 is 1342003431.
It is not a de Polignac number, because 1343002431 - 27 = 1343002303 is a prime.
It is a super-2 number, since 2×13430024312 = 3607311059343819522, which contains 22 as substring.
1343002431 is a modest number, since divided by 2431 gives 1343 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 1343002398 and 1343002407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1343002433) 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, 353970 + ... + 357743.
It is an arithmetic number, because the mean of its divisors is an integer number (121703094).
Almost surely, 21343002431 is an apocalyptic number.
1343002431 is a deficient number, since it is larger than the sum of its proper divisors (604247073).
1343002431 is a wasteful number, since it uses less digits than its factorization.
1343002431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 711770.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1343002431 is about 36646.9975714246. The cubic root of 1343002431 is about 1103.2965655478.
Adding to 1343002431 its reverse (1342003431), we get a palindrome (2685005862).
The spelling of 1343002431 in words is "one billion, three hundred forty-three million, two thousand, four hundred thirty-one".
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