Base | Representation |
---|---|
bin | 1000010001011000… |
… | …1100110101010000 |
3 | 12201202002121222101 |
4 | 2010112030311100 |
5 | 14021411142430 |
6 | 1004155050144 |
7 | 106011123034 |
oct | 20426146520 |
9 | 5652077871 |
10 | 2220412240 |
11 | a3a401642 |
12 | 51b740954 |
13 | 29502a5c7 |
14 | 170c721c4 |
15 | cedeedca |
hex | 8458cd50 |
2220412240 has 40 divisors (see below), whose sum is σ = 5164856928. Its totient is φ = 887752320.
The previous prime is 2220412237. The next prime is 2220412253. The reversal of 2220412240 is 422140222.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
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, 213399 + ... + 223561.
Almost surely, 22220412240 is an apocalyptic number.
2220412240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2220412240 is an abundant number, since it is smaller than the sum of its proper divisors (2944444688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220412240 is a wasteful number, since it uses less digits than its factorization.
2220412240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12907 (or 12901 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 19.
The square root of 2220412240 is about 47121.2504078574. The cubic root of 2220412240 is about 1304.6014921151.
Adding to 2220412240 its reverse (422140222), we get a palindrome (2642552462).
The spelling of 2220412240 in words is "two billion, two hundred twenty million, four hundred twelve thousand, two hundred forty".
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