Base | Representation |
---|---|
bin | 110001100110… |
… | …011011001011 |
3 | 220110120222222 |
4 | 301212123023 |
5 | 11312034233 |
6 | 1142404255 |
7 | 215342666 |
oct | 61463313 |
9 | 26416888 |
10 | 13002443 |
11 | 7380a23 |
12 | 443068b |
13 | 290336c |
14 | 1a266dd |
15 | 121c898 |
hex | c666cb |
13002443 has 8 divisors (see below), whose sum is σ = 13248000. Its totient is φ = 12758760.
The previous prime is 13002439. The next prime is 13002463. The reversal of 13002443 is 34420031.
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 13002443 - 22 = 13002439 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13002463) 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 7 ways as a sum of consecutive naturals, for example, 25808 + ... + 26306.
It is an arithmetic number, because the mean of its divisors is an integer number (1656000).
Almost surely, 213002443 is an apocalyptic number.
13002443 is a deficient number, since it is larger than the sum of its proper divisors (245557).
13002443 is an equidigital number, since it uses as much as digits as its factorization.
13002443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 937.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 13002443 is about 3605.8900426940. The cubic root of 13002443 is about 235.1481968512.
Adding to 13002443 its reverse (34420031), we get a palindrome (47422474).
The spelling of 13002443 in words is "thirteen million, two thousand, four hundred forty-three".
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