Base | Representation |
---|---|
bin | 100100011011100… |
… | …1000111100111111 |
3 | 10011012012001221220 |
4 | 1020313020330333 |
5 | 10000414223033 |
6 | 321144324423 |
7 | 42202230426 |
oct | 11067107477 |
9 | 3135161856 |
10 | 1222414143 |
11 | 578025925 |
12 | 2a1473713 |
13 | 1663416a2 |
14 | b84c62bd |
15 | 724b6bb3 |
hex | 48dc8f3f |
1222414143 has 8 divisors (see below), whose sum is σ = 1700750208. Its totient is φ = 779510424.
The previous prime is 1222414133. The next prime is 1222414159. The reversal of 1222414143 is 3414142221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1222414143 - 25 = 1222414111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222414133) 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, 8858005 + ... + 8858142.
It is an arithmetic number, because the mean of its divisors is an integer number (212593776).
Almost surely, 21222414143 is an apocalyptic number.
1222414143 is a deficient number, since it is larger than the sum of its proper divisors (478336065).
1222414143 is a wasteful number, since it uses less digits than its factorization.
1222414143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17716173.
The product of its digits is 1536, while the sum is 24.
The square root of 1222414143 is about 34963.0396704863. The cubic root of 1222414143 is about 1069.2340700227.
Adding to 1222414143 its reverse (3414142221), we get a palindrome (4636556364).
The spelling of 1222414143 in words is "one billion, two hundred twenty-two million, four hundred fourteen thousand, one hundred forty-three".
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