Base | Representation |
---|---|
bin | 1000000001010111001000 |
3 | 10221211101211 |
4 | 20001113020 |
5 | 1014241403 |
6 | 113022504 |
7 | 23605255 |
oct | 10012710 |
9 | 3854354 |
10 | 2102728 |
11 | 12068a1 |
12 | 854a34 |
13 | 588124 |
14 | 3ca42c |
15 | 2b806d |
hex | 2015c8 |
2102728 has 16 divisors (see below), whose sum is σ = 4002480. Its totient is φ = 1035408.
The previous prime is 2102717. The next prime is 2102741. The reversal of 2102728 is 8272012.
2102728 = T32 + T33 + ... + T232.
It is a junction number, because it is equal to n+sod(n) for n = 2102699 and 2102708.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426 + ... + 2497.
It is an arithmetic number, because the mean of its divisors is an integer number (250155).
22102728 is an apocalyptic number.
It is an amenable number.
2102728 is a deficient number, since it is larger than the sum of its proper divisors (1899752).
2102728 is a wasteful number, since it uses less digits than its factorization.
2102728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3996 (or 3992 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 2102728 is about 1450.0786185583. The cubic root of 2102728 is about 128.1133436154.
The spelling of 2102728 in words is "two million, one hundred two thousand, seven hundred twenty-eight".
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