Base | Representation |
---|---|
bin | 1000010001100000… |
… | …0000110000000000 |
3 | 12201202222202021120 |
4 | 2010120000300000 |
5 | 14022021341130 |
6 | 1004213152240 |
7 | 106015141221 |
oct | 20430006000 |
9 | 5652882246 |
10 | 2220887040 |
11 | a3a6a6339 |
12 | 51b92b680 |
13 | 295165758 |
14 | 170d57248 |
15 | cee95910 |
hex | 84600c00 |
2220887040 has 88 divisors (see below), whose sum is σ = 7103417520. Its totient is φ = 592232448.
The previous prime is 2220887003. The next prime is 2220887051. The reversal of 2220887040 is 407880222.
It is a junction number, because it is equal to n+sod(n) for n = 2220886992 and 2220887010.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56935 + ... + 87654.
Almost surely, 22220887040 is an apocalyptic number.
2220887040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2220887040 is an abundant number, since it is smaller than the sum of its proper divisors (4882530480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220887040 is a wasteful number, since it uses less digits than its factorization.
2220887040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144617 (or 144599 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 33.
The square root of 2220887040 is about 47126.2882052045. The cubic root of 2220887040 is about 1304.6944749452.
The spelling of 2220887040 in words is "two billion, two hundred twenty million, eight hundred eighty-seven thousand, forty".
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