Base | Representation |
---|---|
bin | 100110010101… |
… | …1111101110100 |
3 | 1101211100011121 |
4 | 1030223331310 |
5 | 20121244103 |
6 | 1554513324 |
7 | 332605261 |
oct | 114537564 |
9 | 41740147 |
10 | 20103028 |
11 | 10390780 |
12 | 6895844 |
13 | 421b2aa |
14 | 2954268 |
15 | 1b716bd |
hex | 132bf74 |
20103028 has 24 divisors (see below), whose sum is σ = 39199104. Its totient is φ = 8942400.
The previous prime is 20102983. The next prime is 20103047. The reversal of 20103028 is 82030102.
It is a happy number.
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, 2793 + ... + 6928.
It is an arithmetic number, because the mean of its divisors is an integer number (1633296).
Almost surely, 220103028 is an apocalyptic number.
It is an amenable number.
20103028 is a deficient number, since it is larger than the sum of its proper divisors (19096076).
20103028 is a wasteful number, since it uses less digits than its factorization.
20103028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9783 (or 9781 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 20103028 is about 4483.6400390754. The cubic root of 20103028 is about 271.9070652804.
The spelling of 20103028 in words is "twenty million, one hundred three thousand, twenty-eight".
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