Base | Representation |
---|---|
bin | 100100011100111… |
… | …0001011110110000 |
3 | 10011020111010212011 |
4 | 1020321301132300 |
5 | 10001103320212 |
6 | 321211212304 |
7 | 42211134064 |
oct | 11071613660 |
9 | 3136433764 |
10 | 1223104432 |
11 | 578457510 |
12 | 2a1747094 |
13 | 166523944 |
14 | b8625aa4 |
15 | 725a14a7 |
hex | 48e717b0 |
1223104432 has 20 divisors (see below), whose sum is σ = 2585198376. Its totient is φ = 555956480.
The previous prime is 1223104409. The next prime is 1223104439. The reversal of 1223104432 is 2344013221.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (1223104439) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3474553 + ... + 3474904.
Almost surely, 21223104432 is an apocalyptic number.
It is an amenable number.
1223104432 is an abundant number, since it is smaller than the sum of its proper divisors (1362093944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223104432 is a wasteful number, since it uses less digits than its factorization.
1223104432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6949476 (or 6949470 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 1223104432 is about 34972.9099732922. The cubic root of 1223104432 is about 1069.4352952335.
Adding to 1223104432 its reverse (2344013221), we get a palindrome (3567117653).
The spelling of 1223104432 in words is "one billion, two hundred twenty-three million, one hundred four thousand, four hundred thirty-two".
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