Base | Representation |
---|---|
bin | 1010111000001100… |
… | …0001101011010110 |
3 | 21112111112211121000 |
4 | 2232003001223112 |
5 | 21440011411021 |
6 | 1201430204130 |
7 | 132234556515 |
oct | 25603015326 |
9 | 7474484530 |
10 | 2920028886 |
11 | 1269309a15 |
12 | 695ab3646 |
13 | 376c64358 |
14 | 1d9b4a67c |
15 | 121548b26 |
hex | ae0c1ad6 |
2920028886 has 32 divisors (see below), whose sum is σ = 6595336800. Its totient is φ = 957385440.
The previous prime is 2920028843. The next prime is 2920028887. The reversal of 2920028886 is 6888200292.
2920028886 is a `hidden beast` number, since 292 + 0 + 0 + 288 + 86 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2920028887) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439941 + ... + 446528.
It is an arithmetic number, because the mean of its divisors is an integer number (206104275).
Almost surely, 22920028886 is an apocalyptic number.
2920028886 is an abundant number, since it is smaller than the sum of its proper divisors (3675307914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2920028886 is a wasteful number, since it uses less digits than its factorization.
2920028886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 886541 (or 886535 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The square root of 2920028886 is about 54037.2916234705. The cubic root of 2920028886 is about 1429.3186128937.
The spelling of 2920028886 in words is "two billion, nine hundred twenty million, twenty-eight thousand, eight hundred eighty-six".
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