Base | Representation |
---|---|
bin | 1100010010100… |
… | …11101011101001 |
3 | 21012000012000101 |
4 | 12021103223221 |
5 | 202343300314 |
6 | 14121505401 |
7 | 2361235306 |
oct | 611235351 |
9 | 235005011 |
10 | 103103209 |
11 | 53220a70 |
12 | 2a642261 |
13 | 1848c121 |
14 | d99c0ad |
15 | 90b9174 |
hex | 6253ae9 |
103103209 has 8 divisors (see below), whose sum is σ = 113509440. Its totient is φ = 92869200.
The previous prime is 103103197. The next prime is 103103213. The reversal of 103103209 is 902301301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 103103209 - 27 = 103103081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (103103219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41797 + ... + 44194.
It is an arithmetic number, because the mean of its divisors is an integer number (14188680).
Almost surely, 2103103209 is an apocalyptic number.
It is an amenable number.
103103209 is a deficient number, since it is larger than the sum of its proper divisors (10406231).
103103209 is a wasteful number, since it uses less digits than its factorization.
103103209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86111.
The product of its (nonzero) digits is 162, while the sum is 19.
The square root of 103103209 is about 10153.9750344385. The cubic root of 103103209 is about 468.9113311581.
The spelling of 103103209 in words is "one hundred three million, one hundred three thousand, two hundred nine".
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