Base | Representation |
---|---|
bin | 1100010010100… |
… | …11110110010010 |
3 | 21012000012221121 |
4 | 12021103312102 |
5 | 202343311030 |
6 | 14121512454 |
7 | 2361240301 |
oct | 611236622 |
9 | 235005847 |
10 | 103103890 |
11 | 5322152a |
12 | 2a64272a |
13 | 1848c526 |
14 | d99c438 |
15 | 90b947a |
hex | 6253d92 |
103103890 has 32 divisors (see below), whose sum is σ = 188179200. Its totient is φ = 40670784.
The previous prime is 103103851. The next prime is 103103893. The reversal of 103103890 is 98301301.
It is not an unprimeable number, because it can be changed into a prime (103103893) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 391899 + ... + 392161.
It is an arithmetic number, because the mean of its divisors is an integer number (5880600).
Almost surely, 2103103890 is an apocalyptic number.
103103890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
103103890 is a deficient number, since it is larger than the sum of its proper divisors (85075310).
103103890 is a wasteful number, since it uses less digits than its factorization.
103103890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666.
The product of its (nonzero) digits is 648, while the sum is 25.
The square root of 103103890 is about 10154.0085680484. The cubic root of 103103890 is about 468.9123635473.
The spelling of 103103890 in words is "one hundred three million, one hundred three thousand, eight hundred ninety".
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