Base | Representation |
---|---|
bin | 1000010110000… |
… | …00111110011011 |
3 | 11212201012001212 |
4 | 10023000332123 |
5 | 120404341233 |
6 | 10540133335 |
7 | 1506650156 |
oct | 413007633 |
9 | 155635055 |
10 | 69996443 |
11 | 36569400 |
12 | 1b53724b |
13 | 1166a01a |
14 | 9420c9d |
15 | 6229a48 |
hex | 42c0f9b |
69996443 has 6 divisors (see below), whose sum is σ = 76938372. Its totient is φ = 63633020.
The previous prime is 69996439. The next prime is 69996467. The reversal of 69996443 is 34469996.
It is a happy number.
It is not a de Polignac number, because 69996443 - 22 = 69996439 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 69996391 and 69996400.
It is not an unprimeable number, because it can be changed into a prime (69996413) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 289121 + ... + 289362.
It is an arithmetic number, because the mean of its divisors is an integer number (12823062).
Almost surely, 269996443 is an apocalyptic number.
69996443 is a deficient number, since it is larger than the sum of its proper divisors (6941929).
69996443 is a wasteful number, since it uses less digits than its factorization.
69996443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 578505 (or 578494 counting only the distinct ones).
The product of its digits is 1259712, while the sum is 50.
The square root of 69996443 is about 8366.3876912321. The cubic root of 69996443 is about 412.1215491903.
It can be divided in two parts, 699964 and 43, that added together give a palindrome (700007).
The spelling of 69996443 in words is "sixty-nine million, nine hundred ninety-six thousand, four hundred forty-three".
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