Base | Representation |
---|---|
bin | 1100010010111… |
… | …01011101001101 |
3 | 21012002012221012 |
4 | 12021131131031 |
5 | 202401040440 |
6 | 14122415005 |
7 | 2361463112 |
oct | 611353515 |
9 | 235065835 |
10 | 103143245 |
11 | 53249057 |
12 | 2a661465 |
13 | 184a440a |
14 | d9ac909 |
15 | 90c5e65 |
hex | 625d74d |
103143245 has 8 divisors (see below), whose sum is σ = 123957216. Its totient is φ = 82391056.
The previous prime is 103143223. The next prime is 103143259. The reversal of 103143245 is 542341301.
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 103143245 - 26 = 103143181 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 103143245.
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, 11687 + ... + 18516.
It is an arithmetic number, because the mean of its divisors is an integer number (15494652).
Almost surely, 2103143245 is an apocalyptic number.
It is an amenable number.
103143245 is a deficient number, since it is larger than the sum of its proper divisors (20813971).
103143245 is an equidigital number, since it uses as much as digits as its factorization.
103143245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30891.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 103143245 is about 10155.9462877666. The cubic root of 103143245 is about 468.9720176127.
Adding to 103143245 its reverse (542341301), we get a palindrome (645484546).
The spelling of 103143245 in words is "one hundred three million, one hundred forty-three thousand, two hundred forty-five".
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