Base | Representation |
---|---|
bin | 100111010101… |
… | …101010000001 |
3 | 201101220211211 |
4 | 213111222001 |
5 | 10114443241 |
6 | 1005010121 |
7 | 153440035 |
oct | 47255201 |
9 | 21356754 |
10 | 10312321 |
11 | 5903888 |
12 | 3553941 |
13 | 21a0a86 |
14 | 15261c5 |
15 | d8a781 |
hex | 9d5a81 |
10312321 has 4 divisors (see below), whose sum is σ = 10322352. Its totient is φ = 10302292.
The previous prime is 10312301. The next prime is 10312343. The reversal of 10312321 is 12321301.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 10312321 - 215 = 10279553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10312301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3271 + ... + 5596.
It is an arithmetic number, because the mean of its divisors is an integer number (2580588).
Almost surely, 210312321 is an apocalyptic number.
It is an amenable number.
10312321 is a deficient number, since it is larger than the sum of its proper divisors (10031).
10312321 is an equidigital number, since it uses as much as digits as its factorization.
10312321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10030.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 10312321 is about 3211.2802742831. The cubic root of 10312321 is about 217.6634328949.
Adding to 10312321 its reverse (12321301), we get a palindrome (22633622).
The spelling of 10312321 in words is "ten million, three hundred twelve thousand, three hundred twenty-one".
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