Base | Representation |
---|---|
bin | 1000100001100000… |
… | …0001011011011000 |
3 | 12220110021101010212 |
4 | 2020120001123120 |
5 | 14141211424210 |
6 | 1015011430252 |
7 | 110461445042 |
oct | 21030013330 |
9 | 5813241125 |
10 | 2287998680 |
11 | a74574300 |
12 | 53a2b5388 |
13 | 2a6032696 |
14 | 179c26a92 |
15 | d5d00805 |
hex | 886016d8 |
2287998680 has 96 divisors (see below), whose sum is σ = 5696475120. Its totient is φ = 826425600.
The previous prime is 2287998673. The next prime is 2287998689. The reversal of 2287998680 is 868997822.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2287998689) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 758375 + ... + 761385.
Almost surely, 22287998680 is an apocalyptic number.
2287998680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2287998680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2848237560).
2287998680 is an abundant number, since it is smaller than the sum of its proper divisors (3408476440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2287998680 is a wasteful number, since it uses less digits than its factorization.
2287998680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3201 (or 3186 counting only the distinct ones).
The product of its (nonzero) digits is 6967296, while the sum is 59.
The square root of 2287998680 is about 47833.0291744104. The cubic root of 2287998680 is about 1317.7062015004.
The spelling of 2287998680 in words is "two billion, two hundred eighty-seven million, nine hundred ninety-eight thousand, six hundred eighty".
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