Base | Representation |
---|---|
bin | 1001000110001110… |
… | …0100100101111000 |
3 | 20022012002112101010 |
4 | 2101203210211320 |
5 | 20000124134430 |
6 | 1042152553520 |
7 | 114341560311 |
oct | 22143444570 |
9 | 6265075333 |
10 | 2442021240 |
11 | 104350377a |
12 | 5819b28a0 |
13 | 2cbc0c4a9 |
14 | 19247b608 |
15 | e45c6cb0 |
hex | 918e4978 |
2442021240 has 64 divisors (see below), whose sum is σ = 7329463200. Its totient is φ = 650903552.
The previous prime is 2442021217. The next prime is 2442021271. The reversal of 2442021240 is 421202442.
It is a super-2 number, since 2×24420212402 = 11926935473222275200, which contains 22 as substring.
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, 396424 + ... + 402536.
Almost surely, 22442021240 is an apocalyptic number.
2442021240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2442021240 is an abundant number, since it is smaller than the sum of its proper divisors (4887441960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2442021240 is a wasteful number, since it uses less digits than its factorization.
2442021240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9456 (or 9452 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 21.
The square root of 2442021240 is about 49416.8113095129. The cubic root of 2442021240 is about 1346.6347346718.
Adding to 2442021240 its reverse (421202442), we get a palindrome (2863223682).
The spelling of 2442021240 in words is "two billion, four hundred forty-two million, twenty-one thousand, two hundred forty".
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