Base | Representation |
---|---|
bin | 100100110010010… |
… | …1001100100100111 |
3 | 10012000122011222000 |
4 | 1021210221210213 |
5 | 10011443003411 |
6 | 322252140343 |
7 | 42405516141 |
oct | 11144514447 |
9 | 3160564860 |
10 | 1234344231 |
11 | 5838340aa |
12 | 2a54676b3 |
13 | 16895a903 |
14 | b9d0dc91 |
15 | 73571956 |
hex | 49929927 |
1234344231 has 16 divisors (see below), whose sum is σ = 1845439200. Its totient is φ = 815344704.
The previous prime is 1234344229. The next prime is 1234344239. The reversal of 1234344231 is 1324434321.
1234344231 is a `hidden beast` number, since 1 + 234 + 3 + 4 + 423 + 1 = 666.
It is not a de Polignac number, because 1234344231 - 21 = 1234344229 is a prime.
It is a super-2 number, since 2×12343442312 = 3047211361205962722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1234344195 and 1234344204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1234344239) 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, 206766 + ... + 212651.
It is an arithmetic number, because the mean of its divisors is an integer number (115339950).
Almost surely, 21234344231 is an apocalyptic number.
1234344231 is a deficient number, since it is larger than the sum of its proper divisors (611094969).
1234344231 is a wasteful number, since it uses less digits than its factorization.
1234344231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 419535 (or 419529 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
The square root of 1234344231 is about 35133.2354189021. The cubic root of 1234344231 is about 1072.7011936112.
Adding to 1234344231 its reverse (1324434321), we get a palindrome (2558778552).
The spelling of 1234344231 in words is "one billion, two hundred thirty-four million, three hundred forty-four thousand, two hundred thirty-one".
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