Base | Representation |
---|---|
bin | 100100100111100… |
… | …1001000110110110 |
3 | 10011122000202002011 |
4 | 1021033021012312 |
5 | 10004022044410 |
6 | 321531234434 |
7 | 42306554623 |
oct | 11117110666 |
9 | 3148022064 |
10 | 1228706230 |
11 | 5806331a4 |
12 | 2a35a8a1a |
13 | 16773560b |
14 | b928334a |
15 | 72d0b18a |
hex | 493c91b6 |
1228706230 has 16 divisors (see below), whose sum is σ = 2307831264. Its totient is φ = 470113600.
The previous prime is 1228706203. The next prime is 1228706239. The reversal of 1228706230 is 326078221.
It is a junction number, because it is equal to n+sod(n) for n = 1228706192 and 1228706201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1228706239) 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, 2670871 + ... + 2671330.
It is an arithmetic number, because the mean of its divisors is an integer number (144239454).
Almost surely, 21228706230 is an apocalyptic number.
1228706230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1228706230 is a deficient number, since it is larger than the sum of its proper divisors (1079125034).
1228706230 is a wasteful number, since it uses less digits than its factorization.
1228706230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5342231.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 1228706230 is about 35052.9061562661. The cubic root of 1228706230 is about 1071.0654743309.
The spelling of 1228706230 in words is "one billion, two hundred twenty-eight million, seven hundred six thousand, two hundred thirty".
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