Base | Representation |
---|---|
bin | 100111000100… |
… | …101111000101 |
3 | 201021101202212 |
4 | 213010233011 |
5 | 10110234023 |
6 | 1003313205 |
7 | 153031004 |
oct | 47045705 |
9 | 21241685 |
10 | 10243013 |
11 | 5866800 |
12 | 351b805 |
13 | 2178371 |
14 | 1508c3b |
15 | d74e78 |
hex | 9c4bc5 |
10243013 has 6 divisors (see below), whose sum is σ = 11258982. Its totient is φ = 9311720.
The previous prime is 10243007. The next prime is 10243019. The reversal of 10243013 is 31034201.
10243013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (10243007) and next prime (10243019).
It can be written as a sum of positive squares in only one way, i.e., 6235009 + 4008004 = 2497^2 + 2002^2 .
It is not a de Polignac number, because 10243013 - 210 = 10241989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10243019) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42206 + ... + 42447.
It is an arithmetic number, because the mean of its divisors is an integer number (1876497).
Almost surely, 210243013 is an apocalyptic number.
It is an amenable number.
10243013 is a deficient number, since it is larger than the sum of its proper divisors (1015969).
10243013 is an equidigital number, since it uses as much as digits as its factorization.
10243013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84675 (or 84664 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 10243013 is about 3200.4707466246. The cubic root of 10243013 is about 217.1747055210.
Adding to 10243013 its reverse (31034201), we get a palindrome (41277214).
The spelling of 10243013 in words is "ten million, two hundred forty-three thousand, thirteen".
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