Base | Representation |
---|---|
bin | 1001000110010001… |
… | …0101010111110000 |
3 | 20022012110200110010 |
4 | 2101210111113300 |
5 | 20000202033130 |
6 | 1042201134520 |
7 | 114343351650 |
oct | 22144252760 |
9 | 6265420403 |
10 | 2442221040 |
11 | 104362a8a6 |
12 | 581a8a440 |
13 | 2cbc7c40c |
14 | 1924d0360 |
15 | e46160b0 |
hex | 919155f0 |
2442221040 has 80 divisors (see below), whose sum is σ = 8652446208. Its totient is φ = 558221568.
The previous prime is 2442221027. The next prime is 2442221113. The reversal of 2442221040 is 401222442.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 2442220998 and 2442221016.
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, 725172 + ... + 728531.
Almost surely, 22442221040 is an apocalyptic number.
2442221040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2442221040 is an abundant number, since it is smaller than the sum of its proper divisors (6210225168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2442221040 is a wasteful number, since it uses less digits than its factorization.
2442221040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1453726 (or 1453720 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 21.
The square root of 2442221040 is about 49418.8328474075. The cubic root of 2442221040 is about 1346.6714597527.
Adding to 2442221040 its reverse (401222442), we get a palindrome (2843443482).
The spelling of 2442221040 in words is "two billion, four hundred forty-two million, two hundred twenty-one thousand, forty".
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