Base | Representation |
---|---|
bin | 1000011111111110… |
… | …1100110101100000 |
3 | 12220000021110012010 |
4 | 2013333230311200 |
5 | 14133043413010 |
6 | 1014223032520 |
7 | 110353321515 |
oct | 20777546540 |
9 | 5800243163 |
10 | 2281622880 |
11 | a70a0a049 |
12 | 53813b740 |
13 | 2a490c614 |
14 | 17904730c |
15 | d5491620 |
hex | 87fecd60 |
2281622880 has 96 divisors (see below), whose sum is σ = 7253215200. Its totient is φ = 602836992.
The previous prime is 2281622873. The next prime is 2281622911. The reversal of 2281622880 is 882261822.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30516 + ... + 74124.
It is an arithmetic number, because the mean of its divisors is an integer number (75554325).
Almost surely, 22281622880 is an apocalyptic number.
2281622880 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 2281622880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3626607600).
2281622880 is an abundant number, since it is smaller than the sum of its proper divisors (4971592320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2281622880 is a wasteful number, since it uses less digits than its factorization.
2281622880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43736 (or 43728 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 39.
The square root of 2281622880 is about 47766.3362631048. The cubic root of 2281622880 is about 1316.4810773686.
The spelling of 2281622880 in words is "two billion, two hundred eighty-one million, six hundred twenty-two thousand, eight hundred eighty".
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