Base | Representation |
---|---|
bin | 1111101110010111… |
… | …0010111101100100 |
3 | 101220011112110202110 |
4 | 3323211302331210 |
5 | 32121033124114 |
6 | 1534502241020 |
7 | 206412550131 |
oct | 37345627544 |
9 | 11804473673 |
10 | 4220989284 |
11 | 18767027a6 |
12 | 999726170 |
13 | 5236474c5 |
14 | 2c083b588 |
15 | 19a878759 |
hex | fb972f64 |
4220989284 has 12 divisors (see below), whose sum is σ = 9848975024. Its totient is φ = 1406996424.
The previous prime is 4220989261. The next prime is 4220989291. The reversal of 4220989284 is 4829890224.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175874542 + ... + 175874565.
Almost surely, 24220989284 is an apocalyptic number.
It is an amenable number.
4220989284 is an abundant number, since it is smaller than the sum of its proper divisors (5627985740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4220989284 is a wasteful number, since it uses less digits than its factorization.
4220989284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351749114 (or 351749112 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 48.
The square root of 4220989284 is about 64969.1410132534. The cubic root of 4220989284 is about 1616.1118568008. Note that the first 3 decimals are identical.
The spelling of 4220989284 in words is "four billion, two hundred twenty million, nine hundred eighty-nine thousand, two hundred eighty-four".
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