Base | Representation |
---|---|
bin | 1000010001010111… |
… | …0101000110100000 |
3 | 12201201220200122101 |
4 | 2010111311012200 |
5 | 14021400040130 |
6 | 1004153020144 |
7 | 106010236456 |
oct | 20425650640 |
9 | 5651820571 |
10 | 2220315040 |
11 | a3a345609 |
12 | 51b6b4654 |
13 | 294cc52a8 |
14 | 170c489d6 |
15 | cedd11ca |
hex | 845751a0 |
2220315040 has 48 divisors (see below), whose sum is σ = 5304466440. Its totient is φ = 878141440.
The previous prime is 2220315011. The next prime is 2220315047. The reversal of 2220315040 is 405130222.
It can be written as a sum of positive squares in 4 ways, for example, as 1398460816 + 821854224 = 37396^2 + 28668^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2220314999 and 2220315017.
It is not an unprimeable number, because it can be changed into a prime (2220315047) 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, 63721 + ... + 92200.
Almost surely, 22220315040 is an apocalyptic number.
2220315040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2220315040 is an abundant number, since it is smaller than the sum of its proper divisors (3084151400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220315040 is a wasteful number, since it uses less digits than its factorization.
2220315040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156025 (or 156017 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 2220315040 is about 47120.2190147711. The cubic root of 2220315040 is about 1304.5824552424.
Adding to 2220315040 its reverse (405130222), we get a palindrome (2625445262).
The spelling of 2220315040 in words is "two billion, two hundred twenty million, three hundred fifteen thousand, forty".
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