Base | Representation |
---|---|
bin | 110001101011… |
… | …011100101111 |
3 | 220111122020012 |
4 | 301223130233 |
5 | 11313214043 |
6 | 1143043435 |
7 | 215456666 |
oct | 61533457 |
9 | 26448205 |
10 | 13023023 |
11 | 7395432 |
12 | 444057b |
13 | 290c840 |
14 | 1a2dddd |
15 | 1223a18 |
hex | c6b72f |
13023023 has 8 divisors (see below), whose sum is σ = 14351568. Its totient is φ = 11741184.
The previous prime is 13023013. The next prime is 13023029. The reversal of 13023023 is 32032031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13023023 - 26 = 13022959 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13022989 and 13023007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13023029) 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, 11090 + ... + 12207.
It is an arithmetic number, because the mean of its divisors is an integer number (1793946).
Almost surely, 213023023 is an apocalyptic number.
13023023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
13023023 is a deficient number, since it is larger than the sum of its proper divisors (1328545).
13023023 is a wasteful number, since it uses less digits than its factorization.
13023023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23353.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 13023023 is about 3608.7425787939. The cubic root of 13023023 is about 235.2721940345.
Adding to 13023023 its reverse (32032031), we get a palindrome (45055054).
The spelling of 13023023 in words is "thirteen million, twenty-three thousand, twenty-three".
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