Base | Representation |
---|---|
bin | 100100100110010… |
… | …0111100001000100 |
3 | 10011120210010011022 |
4 | 1021030213201010 |
5 | 10003334404411 |
6 | 321505130312 |
7 | 42301130150 |
oct | 11114474104 |
9 | 3146703138 |
10 | 1228044356 |
11 | 5802209a0 |
12 | 2a3329998 |
13 | 167563286 |
14 | b9150060 |
15 | 72c29edb |
hex | 49327844 |
1228044356 has 48 divisors (see below), whose sum is σ = 2751810432. Its totient is φ = 465523200.
The previous prime is 1228044281. The next prime is 1228044373. The reversal of 1228044356 is 6534408221.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42485 + ... + 65276.
It is an arithmetic number, because the mean of its divisors is an integer number (57329384).
Almost surely, 21228044356 is an apocalyptic number.
It is an amenable number.
1228044356 is an abundant number, since it is smaller than the sum of its proper divisors (1523766076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1228044356 is a wasteful number, since it uses less digits than its factorization.
1228044356 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107820 (or 107818 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 35.
The square root of 1228044356 is about 35043.4638128139. The cubic root of 1228044356 is about 1070.8731208615.
The spelling of 1228044356 in words is "one billion, two hundred twenty-eight million, forty-four thousand, three hundred fifty-six".
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