Base | Representation |
---|---|
bin | 1011001000101101… |
… | …1101101000000100 |
3 | 21201022222200102201 |
4 | 2302023131220010 |
5 | 22110233140010 |
6 | 1212344044244 |
7 | 134036023213 |
oct | 26213355004 |
9 | 7638880381 |
10 | 2989349380 |
11 | 12a4456486 |
12 | 6b5163684 |
13 | 3884257b4 |
14 | 20503307a |
15 | 12768d23a |
hex | b22dda04 |
2989349380 has 24 divisors (see below), whose sum is σ = 6305298048. Its totient is φ = 1190470368.
The previous prime is 2989349369. The next prime is 2989349383. The reversal of 2989349380 is 839439892.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (2989349383) 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, 324684 + ... + 333763.
It is an arithmetic number, because the mean of its divisors is an integer number (262720752).
Almost surely, 22989349380 is an apocalyptic number.
2989349380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2989349380 is an abundant number, since it is smaller than the sum of its proper divisors (3315948668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2989349380 is a wasteful number, since it uses less digits than its factorization.
2989349380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 658683 (or 658681 counting only the distinct ones).
The product of its (nonzero) digits is 3359232, while the sum is 55.
The square root of 2989349380 is about 54674.9428897736. The cubic root of 2989349380 is about 1440.5407851826.
The spelling of 2989349380 in words is "two billion, nine hundred eighty-nine million, three hundred forty-nine thousand, three hundred eighty".
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