Base | Representation |
---|---|
bin | 100101000011011… |
… | …0100010101110000 |
3 | 10012122111020122210 |
4 | 1022012310111300 |
5 | 10021241114412 |
6 | 323212132120 |
7 | 42544612635 |
oct | 11206642560 |
9 | 3178436583 |
10 | 1243301232 |
11 | 5888a1688 |
12 | 2a8467040 |
13 | 16a775804 |
14 | bb1a218c |
15 | 7424083c |
hex | 4a1b4570 |
1243301232 has 40 divisors (see below), whose sum is σ = 3298673296. Its totient is φ = 403232256.
The previous prime is 1243301209. The next prime is 1243301237. The reversal of 1243301232 is 2321033421.
It is a junction number, because it is equal to n+sod(n) for n = 1243301199 and 1243301208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1243301237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348253 + ... + 351804.
Almost surely, 21243301232 is an apocalyptic number.
1243301232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1243301232 is an abundant number, since it is smaller than the sum of its proper divisors (2055372064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1243301232 is a wasteful number, since it uses less digits than its factorization.
1243301232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 700105 (or 700099 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1243301232 is about 35260.4769111253. The cubic root of 1243301232 is about 1075.2896229192.
Adding to 1243301232 its reverse (2321033421), we get a palindrome (3564334653).
The spelling of 1243301232 in words is "one billion, two hundred forty-three million, three hundred one thousand, two hundred thirty-two".
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