Base | Representation |
---|---|
bin | 1000011101011001… |
… | …0111101100011100 |
3 | 12212020220000001100 |
4 | 2013112113230130 |
5 | 14122310212010 |
6 | 1013154513100 |
7 | 110162245200 |
oct | 20726275434 |
9 | 5766800040 |
10 | 2270788380 |
11 | a65889a13 |
12 | 534595790 |
13 | 2a25b7c83 |
14 | 177826b00 |
15 | d45512c0 |
hex | 87597b1c |
2270788380 has 108 divisors (see below), whose sum is σ = 8012670120. Its totient is φ = 519035328.
The previous prime is 2270788369. The next prime is 2270788381. The reversal of 2270788380 is 838870722.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2270788381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119910 + ... + 137549.
It is an arithmetic number, because the mean of its divisors is an integer number (74191390).
Almost surely, 22270788380 is an apocalyptic number.
2270788380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2270788380 is an abundant number, since it is smaller than the sum of its proper divisors (5741881740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2270788380 is a wasteful number, since it uses less digits than its factorization.
2270788380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 257488 (or 257476 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 45.
The square root of 2270788380 is about 47652.7898448769. The cubic root of 2270788380 is about 1314.3939590049.
The spelling of 2270788380 in words is "two billion, two hundred seventy million, seven hundred eighty-eight thousand, three hundred eighty".
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