Base | Representation |
---|---|
bin | 1100010010101… |
… | …11001001001001 |
3 | 21012000220110102 |
4 | 12021113021021 |
5 | 202344224020 |
6 | 14122055145 |
7 | 2361324530 |
oct | 611271111 |
9 | 235026412 |
10 | 103117385 |
11 | 53230688 |
12 | 2a64a4b5 |
13 | 18495707 |
14 | d9a3317 |
15 | 90bd475 |
hex | 6257249 |
103117385 has 8 divisors (see below), whose sum is σ = 141418176. Its totient is φ = 70709040.
The previous prime is 103117381. The next prime is 103117403. The reversal of 103117385 is 583711301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 103117385 - 22 = 103117381 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103117381) 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, 1473071 + ... + 1473140.
It is an arithmetic number, because the mean of its divisors is an integer number (17677272).
Almost surely, 2103117385 is an apocalyptic number.
It is an amenable number.
103117385 is a deficient number, since it is larger than the sum of its proper divisors (38300791).
103117385 is an equidigital number, since it uses as much as digits as its factorization.
103117385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2946223.
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 103117385 is about 10154.6730621916. The cubic root of 103117385 is about 468.9328208947.
Adding to 103117385 its reverse (583711301), we get a palindrome (686828686).
The spelling of 103117385 in words is "one hundred three million, one hundred seventeen thousand, three hundred eighty-five".
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