Base | Representation |
---|---|
bin | 100111011011100… |
… | …0000111001001111 |
3 | 10102012112121202121 |
4 | 1032313000321033 |
5 | 10202144410211 |
6 | 335141233411 |
7 | 44533456252 |
oct | 11667007117 |
9 | 3365477677 |
10 | 1323044431 |
11 | 619907955 |
12 | 30b102867 |
13 | 181146037 |
14 | c79dd099 |
15 | 7b243271 |
hex | 4edc0e4f |
1323044431 has 8 divisors (see below), whose sum is σ = 1409467824. Its totient is φ = 1237576320.
The previous prime is 1323044417. The next prime is 1323044441. The reversal of 1323044431 is 1344403231.
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 1323044431 - 25 = 1323044399 is a prime.
It is a super-2 number, since 2×13230444312 = 3500893132800227522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1323044396 and 1323044405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1323044441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235960 + ... + 241501.
It is an arithmetic number, because the mean of its divisors is an integer number (176183478).
Almost surely, 21323044431 is an apocalyptic number.
1323044431 is a deficient number, since it is larger than the sum of its proper divisors (86423393).
1323044431 is a wasteful number, since it uses less digits than its factorization.
1323044431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 477641.
The product of its (nonzero) digits is 3456, while the sum is 25.
The square root of 1323044431 is about 36373.6777216712. The cubic root of 1323044431 is about 1097.8040021068.
Adding to 1323044431 its reverse (1344403231), we get a palindrome (2667447662).
The spelling of 1323044431 in words is "one billion, three hundred twenty-three million, forty-four thousand, four hundred thirty-one".
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