Base | Representation |
---|---|
bin | 1000011111101010… |
… | …0101100101001000 |
3 | 12212220202100110012 |
4 | 2013322211211020 |
5 | 14132223014230 |
6 | 1014134211052 |
7 | 110336036522 |
oct | 20772454510 |
9 | 5786670405 |
10 | 2280282440 |
11 | a70183a47 |
12 | 5377b3a88 |
13 | 2a4560467 |
14 | 178bb8a12 |
15 | d52c9395 |
hex | 87ea5948 |
2280282440 has 32 divisors (see below), whose sum is σ = 5146849080. Its totient is φ = 909230592.
The previous prime is 2280282427. The next prime is 2280282449. The reversal of 2280282440 is 442820822.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1421440804 + 858841636 = 37702^2 + 29306^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2280282397 and 2280282406.
It is not an unprimeable number, because it can be changed into a prime (2280282449) 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, 77237 + ... + 102596.
Almost surely, 22280282440 is an apocalyptic number.
2280282440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2280282440 is an abundant number, since it is smaller than the sum of its proper divisors (2866566640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2280282440 is a wasteful number, since it uses less digits than its factorization.
2280282440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180161 (or 180157 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 32.
The square root of 2280282440 is about 47752.3029811129. The cubic root of 2280282440 is about 1316.2232185728.
The spelling of 2280282440 in words is "two billion, two hundred eighty million, two hundred eighty-two thousand, four hundred forty".
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