Base | Representation |
---|---|
bin | 111100011100011… |
… | …1110101101011000 |
3 | 12020100102101020201 |
4 | 1320320332231120 |
5 | 13123204442330 |
6 | 533131231544 |
7 | 101155303546 |
oct | 17070765530 |
9 | 5210371221 |
10 | 2028202840 |
11 | 95095a8a4 |
12 | 4872a85b4 |
13 | 264270331 |
14 | 15351ad96 |
15 | bd0d3eca |
hex | 78e3eb58 |
2028202840 has 32 divisors (see below), whose sum is σ = 4583940480. Its totient is φ = 807639552.
The previous prime is 2028202733. The next prime is 2028202853. The reversal of 2028202840 is 482028202.
It is a super-2 number, since 2×20282028402 = 8227213520368131200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2028202799 and 2028202808.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104769 + ... + 122608.
It is an arithmetic number, because the mean of its divisors is an integer number (143248140).
Almost surely, 22028202840 is an apocalyptic number.
2028202840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2028202840 is an abundant number, since it is smaller than the sum of its proper divisors (2555737640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2028202840 is a wasteful number, since it uses less digits than its factorization.
2028202840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227611 (or 227607 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 28.
The square root of 2028202840 is about 45035.5730506452. The cubic root of 2028202840 is about 1265.8156539812.
The spelling of 2028202840 in words is "two billion, twenty-eight million, two hundred two thousand, eight hundred forty".
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