Base | Representation |
---|---|
bin | 1011010010001000… |
… | …1101101100110010 |
3 | 21211002100102122020 |
4 | 2310202031230302 |
5 | 22200342233030 |
6 | 1220315052310 |
7 | 135025644426 |
oct | 26442155462 |
9 | 7732312566 |
10 | 3028867890 |
11 | 1314798304 |
12 | 706441096 |
13 | 393681129 |
14 | 20a39cb86 |
15 | 12ad97510 |
hex | b488db32 |
3028867890 has 32 divisors (see below), whose sum is σ = 7271254656. Its totient is φ = 807479040.
The previous prime is 3028867871. The next prime is 3028867921. The reversal of 3028867890 is 987688203.
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, 120234 + ... + 143226.
It is an arithmetic number, because the mean of its divisors is an integer number (227226708).
Almost surely, 23028867890 is an apocalyptic number.
3028867890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3028867890 is an abundant number, since it is smaller than the sum of its proper divisors (4242386766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3028867890 is a wasteful number, since it uses less digits than its factorization.
3028867890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27394.
The product of its (nonzero) digits is 1161216, while the sum is 51.
The square root of 3028867890 is about 55035.1514034440. The cubic root of 3028867890 is about 1446.8608887751.
The spelling of 3028867890 in words is "three billion, twenty-eight million, eight hundred sixty-seven thousand, eight hundred ninety".
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