Base | Representation |
---|---|
bin | 110001011000… |
… | …011010000000 |
3 | 220100200020100 |
4 | 301120122000 |
5 | 11303220044 |
6 | 1141242400 |
7 | 215013411 |
oct | 61303200 |
9 | 26320210 |
10 | 12945024 |
11 | 7341874 |
12 | 4403400 |
13 | 28b31a1 |
14 | 1a0d808 |
15 | 120a869 |
hex | c58680 |
12945024 has 96 divisors (see below), whose sum is σ = 39501540. Its totient is φ = 4055040.
The previous prime is 12945001. The next prime is 12945029. The reversal of 12945024 is 42054921.
It can be written as a sum of positive squares in 2 ways, for example, as 11778624 + 1166400 = 3432^2 + 1080^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (12945029) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19254 + ... + 19914.
Almost surely, 212945024 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12945024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19750770).
12945024 is an abundant number, since it is smaller than the sum of its proper divisors (26556516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12945024 is a wasteful number, since it uses less digits than its factorization.
12945024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 698 (or 683 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 12945024 is about 3597.9193987637. The cubic root of 12945024 is about 234.8015466563.
Adding to 12945024 its reverse (42054921), we get a palindrome (54999945).
It can be divided in two parts, 1294 and 5024, that multiplied together give a palindrome (6501056).
The spelling of 12945024 in words is "twelve million, nine hundred forty-five thousand, twenty-four".
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