Base | Representation |
---|---|
bin | 110001100010… |
… | …000011010001 |
3 | 220102200102111 |
4 | 301202003101 |
5 | 11311001104 |
6 | 1142145321 |
7 | 215236525 |
oct | 61420321 |
9 | 26380374 |
10 | 12984529 |
11 | 7369518 |
12 | 4422241 |
13 | 28c816c |
14 | 1a1dd85 |
15 | 1217404 |
hex | c620d1 |
12984529 has 4 divisors (see below), whose sum is σ = 13041460. Its totient is φ = 12927600.
The previous prime is 12984527. The next prime is 12984553. The reversal of 12984529 is 92548921.
12984529 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92548921 = 113 ⋅819017.
It can be written as a sum of positive squares in 2 ways, for example, as 10497600 + 2486929 = 3240^2 + 1577^2 .
It is a cyclic number.
It is not a de Polignac number, because 12984529 - 21 = 12984527 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12984491 and 12984500.
It is not an unprimeable number, because it can be changed into a prime (12984527) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28122 + ... + 28579.
It is an arithmetic number, because the mean of its divisors is an integer number (3260365).
Almost surely, 212984529 is an apocalyptic number.
It is an amenable number.
12984529 is a deficient number, since it is larger than the sum of its proper divisors (56931).
12984529 is an equidigital number, since it uses as much as digits as its factorization.
12984529 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56930.
The product of its digits is 51840, while the sum is 40.
The square root of 12984529 is about 3603.4051950898. The cubic root of 12984529 is about 235.0401561075.
The spelling of 12984529 in words is "twelve million, nine hundred eighty-four thousand, five hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •