Base | Representation |
---|---|
bin | 1100010010001… |
… | …00101111111101 |
3 | 21011220002010001 |
4 | 12021010233331 |
5 | 202334321140 |
6 | 14120314301 |
7 | 2360562061 |
oct | 611045775 |
9 | 234802101 |
10 | 103042045 |
11 | 5318a017 |
12 | 2a612991 |
13 | 1846a332 |
14 | d983aa1 |
15 | 90a5e9a |
hex | 6244bfd |
103042045 has 4 divisors (see below), whose sum is σ = 123650460. Its totient is φ = 82433632.
The previous prime is 103042031. The next prime is 103042057. The reversal of 103042045 is 540240301.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 76230361 + 26811684 = 8731^2 + 5178^2 .
It is a cyclic number.
It is not a de Polignac number, because 103042045 - 25 = 103042013 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10304200 + ... + 10304209.
It is an arithmetic number, because the mean of its divisors is an integer number (30912615).
Almost surely, 2103042045 is an apocalyptic number.
It is an amenable number.
103042045 is a deficient number, since it is larger than the sum of its proper divisors (20608415).
103042045 is an equidigital number, since it uses as much as digits as its factorization.
103042045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20608414.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 103042045 is about 10150.9627622211. The cubic root of 103042045 is about 468.8185886005.
Adding to 103042045 its reverse (540240301), we get a palindrome (643282346).
The spelling of 103042045 in words is "one hundred three million, forty-two thousand, forty-five".
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