Base | Representation |
---|---|
bin | 1000011110011010… |
… | …0111100101100100 |
3 | 12212112220101211220 |
4 | 2013212213211210 |
5 | 14124403012110 |
6 | 1013430100340 |
7 | 110243405235 |
oct | 20746474544 |
9 | 5775811756 |
10 | 2275047780 |
11 | a68229085 |
12 | 535aaa6b0 |
13 | 2a3449925 |
14 | 17821508c |
15 | d4ae3370 |
hex | 879a7964 |
2275047780 has 48 divisors (see below), whose sum is σ = 6744850560. Its totient is φ = 570992128.
The previous prime is 2275047757. The next prime is 2275047781. The reversal of 2275047780 is 877405722.
2275047780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (2275047781) 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, 1114200 + ... + 1116239.
It is an arithmetic number, because the mean of its divisors is an integer number (140517720).
Almost surely, 22275047780 is an apocalyptic number.
2275047780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2275047780 is an abundant number, since it is smaller than the sum of its proper divisors (4469802780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2275047780 is a wasteful number, since it uses less digits than its factorization.
2275047780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2230468 (or 2230466 counting only the distinct ones).
The product of its (nonzero) digits is 219520, while the sum is 42.
The square root of 2275047780 is about 47697.4609387125. The cubic root of 2275047780 is about 1315.2152644843.
The spelling of 2275047780 in words is "two billion, two hundred seventy-five million, forty-seven thousand, seven hundred eighty".
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