Base | Representation |
---|---|
bin | 100100100101110… |
… | …1010001010111110 |
3 | 10011120022100111000 |
4 | 1021023222022332 |
5 | 10003303334321 |
6 | 321455511130 |
7 | 42266032452 |
oct | 11113521276 |
9 | 3146270430 |
10 | 1227793086 |
11 | 58006a133 |
12 | 2a32284a6 |
13 | 1674a5ab0 |
14 | b90c6662 |
15 | 72bca826 |
hex | 492ea2be |
1227793086 has 32 divisors (see below), whose sum is σ = 2938309920. Its totient is φ = 377782272.
The previous prime is 1227793069. The next prime is 1227793087. The reversal of 1227793086 is 6803977221.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1227793087) 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, 873795 + ... + 875198.
It is an arithmetic number, because the mean of its divisors is an integer number (91822185).
Almost surely, 21227793086 is an apocalyptic number.
1227793086 is an abundant number, since it is smaller than the sum of its proper divisors (1710516834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1227793086 is a wasteful number, since it uses less digits than its factorization.
1227793086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1749017 (or 1749011 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 1227793086 is about 35039.8785100634. The cubic root of 1227793086 is about 1070.8000788084.
It can be divided in two parts, 12277930 and 86, that added together give a square (12278016 = 35042).
The spelling of 1227793086 in words is "one billion, two hundred twenty-seven million, seven hundred ninety-three thousand, eighty-six".
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