Base | Representation |
---|---|
bin | 101010111010101… |
… | …0001111000100110 |
3 | 10201100200010010120 |
4 | 1111311101320212 |
5 | 10422121431441 |
6 | 354520502410 |
7 | 50454024624 |
oct | 12565217046 |
9 | 3640603116 |
10 | 1440030246 |
11 | 679950046 |
12 | 34231aa06 |
13 | 19c456005 |
14 | d9372514 |
15 | 86650966 |
hex | 55d51e26 |
1440030246 has 32 divisors (see below), whose sum is σ = 2969809920. Its totient is φ = 465270624.
The previous prime is 1440030223. The next prime is 1440030301. The reversal of 1440030246 is 6420300441.
It is a congruent number.
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, 886 + ... + 53673.
It is an arithmetic number, because the mean of its divisors is an integer number (92806560).
Almost surely, 21440030246 is an apocalyptic number.
1440030246 is an abundant number, since it is smaller than the sum of its proper divisors (1529779674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1440030246 is a wasteful number, since it uses less digits than its factorization.
1440030246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54700.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 1440030246 is about 37947.7304459700. The cubic root of 1440030246 is about 1129.2511408729.
Adding to 1440030246 its reverse (6420300441), we get a palindrome (7860330687).
The spelling of 1440030246 in words is "one billion, four hundred forty million, thirty thousand, two hundred forty-six".
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