Base | Representation |
---|---|
bin | 110001101010… |
… | …110010110111 |
3 | 220111111112221 |
4 | 301222302313 |
5 | 11313122333 |
6 | 1143023211 |
7 | 215446120 |
oct | 61526267 |
9 | 26444487 |
10 | 13020343 |
11 | 7393416 |
12 | 443ab07 |
13 | 290b55b |
14 | 1a2d047 |
15 | 1222d2d |
hex | c6acb7 |
13020343 has 8 divisors (see below), whose sum is σ = 14990112. Its totient is φ = 11078016.
The previous prime is 13020331. The next prime is 13020347. The reversal of 13020343 is 34302031.
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 13020343 - 217 = 12889271 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13020347) 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, 5830 + ... + 7747.
It is an arithmetic number, because the mean of its divisors is an integer number (1873764).
Almost surely, 213020343 is an apocalyptic number.
13020343 is a deficient number, since it is larger than the sum of its proper divisors (1969769).
13020343 is a wasteful number, since it uses less digits than its factorization.
13020343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13721.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 13020343 is about 3608.3712392158. The cubic root of 13020343 is about 235.2560540867.
Adding to 13020343 its reverse (34302031), we get a palindrome (47322374).
The spelling of 13020343 in words is "thirteen million, twenty thousand, three hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •