Base | Representation |
---|---|
bin | 1011111110110000… |
… | …0011110100100000 |
3 | 22022010110122012221 |
4 | 2333230003310200 |
5 | 23041243420430 |
6 | 1251042000424 |
7 | 142460351110 |
oct | 27754036440 |
9 | 8263418187 |
10 | 3215998240 |
11 | 1400390094 |
12 | 759046114 |
13 | 3c3380650 |
14 | 227191040 |
15 | 13c50d57a |
hex | bfb03d20 |
3215998240 has 96 divisors (see below), whose sum is σ = 9351175680. Its totient is φ = 1017805824.
The previous prime is 3215998229. The next prime is 3215998271. The reversal of 3215998240 is 428995123.
3215998240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 95880 + ... + 124999.
It is an arithmetic number, because the mean of its divisors is an integer number (97408080).
Almost surely, 23215998240 is an apocalyptic number.
It is an amenable number.
3215998240 is an abundant number, since it is smaller than the sum of its proper divisors (6135177440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3215998240 is a wasteful number, since it uses less digits than its factorization.
3215998240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220914 (or 220906 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 3215998240 is about 56709.7719974256. The cubic root of 3215998240 is about 1476.0642691541.
The spelling of 3215998240 in words is "three billion, two hundred fifteen million, nine hundred ninety-eight thousand, two hundred forty".
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