Base | Representation |
---|---|
bin | 101000000010011… |
… | …0101000111100111 |
3 | 10110121220222221010 |
4 | 1100010311013213 |
5 | 10222410142211 |
6 | 341150353303 |
7 | 45202036461 |
oct | 12004650747 |
9 | 3417828833 |
10 | 1343443431 |
11 | 62a37aa30 |
12 | 315abb833 |
13 | 185438c55 |
14 | ca5cd131 |
15 | 7ce224a6 |
hex | 501351e7 |
1343443431 has 32 divisors (see below), whose sum is σ = 2066227200. Its totient is φ = 767875680.
The previous prime is 1343443403. The next prime is 1343443459.
1343443431 is nontrivially palindromic in base 10.
It is an interprime number because it is at equal distance from previous prime (1343443403) and next prime (1343443459).
It is not a de Polignac number, because 1343443431 - 25 = 1343443399 is a prime.
It is a super-2 number, since 2×13434434312 = 3609680504594103522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1343443481) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137610 + ... + 147048.
It is an arithmetic number, because the mean of its divisors is an integer number (64569600).
Almost surely, 21343443431 is an apocalyptic number.
1343443431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1343443431 is a deficient number, since it is larger than the sum of its proper divisors (722783769).
1343443431 is a wasteful number, since it uses less digits than its factorization.
1343443431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9699.
The product of its digits is 20736, while the sum is 30.
The square root of 1343443431 is about 36653.0139415574. The cubic root of 1343443431 is about 1103.4173150286.
It can be divided in two parts, 13434 and 43431, that added together give a palindrome (56865).
The spelling of 1343443431 in words is "one billion, three hundred forty-three million, four hundred forty-three thousand, four hundred thirty-one".
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