Base | Representation |
---|---|
bin | 100100011111011… |
… | …0110001010011011 |
3 | 10011022222201010200 |
4 | 1020332312022123 |
5 | 10001423344311 |
6 | 321255513243 |
7 | 42225343251 |
oct | 11076661233 |
9 | 3138881120 |
10 | 1224434331 |
11 | 5791856aa |
12 | 2a2088823 |
13 | 16689b073 |
14 | b88905d1 |
15 | 72765556 |
hex | 48fb629b |
1224434331 has 12 divisors (see below), whose sum is σ = 1809758808. Its totient is φ = 797305824.
The previous prime is 1224434293. The next prime is 1224434353. The reversal of 1224434331 is 1334344221.
1224434331 is a `hidden beast` number, since 1 + 224 + 4 + 3 + 433 + 1 = 666.
It is not a de Polignac number, because 1224434331 - 222 = 1220240027 is a prime.
It is a super-2 number, since 2×12244343312 = 2998478861862835122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1224434295 and 1224434304.
It is not an unprimeable number, because it can be changed into a prime (1224434381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581570 + ... + 1582343.
It is an arithmetic number, because the mean of its divisors is an integer number (150813234).
Almost surely, 21224434331 is an apocalyptic number.
1224434331 is a deficient number, since it is larger than the sum of its proper divisors (585324477).
1224434331 is a wasteful number, since it uses less digits than its factorization.
1224434331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3163962 (or 3163959 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
The square root of 1224434331 is about 34991.9180811798. The cubic root of 1224434331 is about 1069.8227589499.
Adding to 1224434331 its reverse (1334344221), we get a palindrome (2558778552).
The spelling of 1224434331 in words is "one billion, two hundred twenty-four million, four hundred thirty-four thousand, three hundred thirty-one".
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