Base | Representation |
---|---|
bin | 111100011100100… |
… | …1100101000100000 |
3 | 12020100112021111000 |
4 | 1320321030220200 |
5 | 13123213303442 |
6 | 533132352000 |
7 | 101155632042 |
oct | 17071145040 |
9 | 5210467430 |
10 | 2028259872 |
11 | 950999731 |
12 | 487315600 |
13 | 264290292 |
14 | 153533a92 |
15 | bd0e5d4c |
hex | 78e4ca20 |
2028259872 has 48 divisors (see below), whose sum is σ = 5915760480. Its totient is φ = 676086336.
The previous prime is 2028259837. The next prime is 2028259903. The reversal of 2028259872 is 2789528202.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×20282598722 = 8227676216730912768, which contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172898 + ... + 1174625.
It is an arithmetic number, because the mean of its divisors is an integer number (123245010).
Almost surely, 22028259872 is an apocalyptic number.
It is an amenable number.
2028259872 is an abundant number, since it is smaller than the sum of its proper divisors (3887500608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2028259872 is a wasteful number, since it uses less digits than its factorization.
2028259872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2347542 (or 2347528 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 2028259872 is about 45036.2062345398. The cubic root of 2028259872 is about 1265.8275185608.
The spelling of 2028259872 in words is "two billion, twenty-eight million, two hundred fifty-nine thousand, eight hundred seventy-two".
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