Base | Representation |
---|---|
bin | 100111010101… |
… | …011000110111 |
3 | 201101212100011 |
4 | 213111120313 |
5 | 10114424343 |
6 | 1005001051 |
7 | 153433606 |
oct | 47253067 |
9 | 21355304 |
10 | 10311223 |
11 | 5902a7a |
12 | 3553187 |
13 | 21a0420 |
14 | 1525a3d |
15 | d8a29d |
hex | 9d5637 |
10311223 has 8 divisors (see below), whose sum is σ = 11138400. Its totient is φ = 9488928.
The previous prime is 10311221. The next prime is 10311229. The reversal of 10311223 is 32211301.
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 10311223 - 21 = 10311221 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10311221) 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, 4038 + ... + 6076.
It is an arithmetic number, because the mean of its divisors is an integer number (1392300).
Almost surely, 210311223 is an apocalyptic number.
10311223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
10311223 is a deficient number, since it is larger than the sum of its proper divisors (827177).
10311223 is a wasteful number, since it uses less digits than its factorization.
10311223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2441.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 10311223 is about 3211.1093098803. The cubic root of 10311223 is about 217.6557074135.
Adding to 10311223 its reverse (32211301), we get a palindrome (42522524).
The spelling of 10311223 in words is "ten million, three hundred eleven thousand, two hundred twenty-three".
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