Base | Representation |
---|---|
bin | 1000000001101011… |
… | …0011011110010000 |
3 | 12120011002110101222 |
4 | 2000122303132100 |
5 | 13403023311344 |
6 | 553442344212 |
7 | 104251014626 |
oct | 20032633620 |
9 | 5504073358 |
10 | 2154510224 |
11 | a0618a469 |
12 | 50165b068 |
13 | 284495129 |
14 | 1661d9516 |
15 | c92335ee |
hex | 806b3790 |
2154510224 has 40 divisors (see below), whose sum is σ = 4349955960. Its totient is φ = 1032485888.
The previous prime is 2154510209. The next prime is 2154510251. The reversal of 2154510224 is 4220154512.
It can be written as a sum of positive squares in 4 ways, for example, as 653722624 + 1500787600 = 25568^2 + 38740^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2154510193 and 2154510202.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46622 + ... + 80514.
It is an arithmetic number, because the mean of its divisors is an integer number (108748899).
Almost surely, 22154510224 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 2154510224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2174977980).
2154510224 is an abundant number, since it is smaller than the sum of its proper divisors (2195445736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154510224 is a wasteful number, since it uses less digits than its factorization.
2154510224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34067 (or 34061 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 2154510224 is about 46416.7019940021. The cubic root of 2154510224 is about 1291.5647586466.
Adding to 2154510224 its reverse (4220154512), we get a palindrome (6374664736).
The spelling of 2154510224 in words is "two billion, one hundred fifty-four million, five hundred ten thousand, two hundred twenty-four".
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