Base | Representation |
---|---|
bin | 100110100010… |
… | …100110101111 |
3 | 201000022000011 |
4 | 212202212233 |
5 | 10041300330 |
6 | 1000314051 |
7 | 151606303 |
oct | 46424657 |
9 | 21008004 |
10 | 10103215 |
11 | 5780771 |
12 | 3472927 |
13 | 2129845 |
14 | 14add03 |
15 | d4882a |
hex | 9a29af |
10103215 has 8 divisors (see below), whose sum is σ = 12211920. Its totient is φ = 8023872.
The previous prime is 10103147. The next prime is 10103221. The reversal of 10103215 is 51230101.
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 10103215 - 211 = 10101167 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10103195 and 10103204.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 6574 + ... + 7963.
It is an arithmetic number, because the mean of its divisors is an integer number (1526490).
Almost surely, 210103215 is an apocalyptic number.
10103215 is a deficient number, since it is larger than the sum of its proper divisors (2108705).
10103215 is a wasteful number, since it uses less digits than its factorization.
10103215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14681.
The product of its (nonzero) digits is 30, while the sum is 13.
The square root of 10103215 is about 3178.5554895266. Note that the first 3 decimals coincide. The cubic root of 10103215 is about 216.1821665688.
Adding to 10103215 its reverse (51230101), we get a palindrome (61333316).
It can be divided in two parts, 1010 and 3215, that added together give a square (4225 = 652).
The spelling of 10103215 in words is "ten million, one hundred three thousand, two hundred fifteen".
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