Base | Representation |
---|---|
bin | 10001001101100110010000 |
3 | 22111020111110 |
4 | 101031212100 |
5 | 2123342034 |
6 | 240413320 |
7 | 53231640 |
oct | 21154620 |
9 | 8436443 |
10 | 4512144 |
11 | 260204a |
12 | 1617240 |
13 | c1ca10 |
14 | 856520 |
15 | 5e1de9 |
hex | 44d990 |
4512144 has 80 divisors (see below), whose sum is σ = 14360192. Its totient is φ = 1188864.
The previous prime is 4512133. The next prime is 4512161. The reversal of 4512144 is 4412154.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 4512144.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3852 + ... + 4884.
Almost surely, 24512144 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 4512144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7180096).
4512144 is an abundant number, since it is smaller than the sum of its proper divisors (9848048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4512144 is a wasteful number, since it uses less digits than its factorization.
4512144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1064 (or 1058 counting only the distinct ones).
The product of its digits is 640, while the sum is 21.
The square root of 4512144 is about 2124.1807832668. The cubic root of 4512144 is about 165.2447423987.
Adding to 4512144 its reverse (4412154), we get a palindrome (8924298).
It can be divided in two parts, 4512 and 144, that added together give a triangular number (4656 = T96).
The spelling of 4512144 in words is "four million, five hundred twelve thousand, one hundred forty-four".
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