Base | Representation |
---|---|
bin | 101011000011100… |
… | …0011100001101010 |
3 | 10201200102212011000 |
4 | 1112013003201222 |
5 | 10424320040101 |
6 | 355204415430 |
7 | 50541443163 |
oct | 12607034152 |
9 | 3650385130 |
10 | 1444690026 |
11 | 681542aaa |
12 | 3439a7576 |
13 | 1a03c7c90 |
14 | d9c2676a |
15 | 86c71486 |
hex | 561c386a |
1444690026 has 64 divisors (see below), whose sum is σ = 3476995200. Its totient is φ = 441998208.
The previous prime is 1444690021. The next prime is 1444690043. The reversal of 1444690026 is 6200964441.
It is not an unprimeable number, because it can be changed into a prime (1444690021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119910 + ... + 131406.
It is an arithmetic number, because the mean of its divisors is an integer number (54328050).
Almost surely, 21444690026 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1444690026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738497600).
1444690026 is an abundant number, since it is smaller than the sum of its proper divisors (2032305174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1444690026 is a wasteful number, since it uses less digits than its factorization.
1444690026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11700 (or 11694 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 1444690026 is about 38009.0782050815. The cubic root of 1444690026 is about 1130.4678737063.
The spelling of 1444690026 in words is "one billion, four hundred forty-four million, six hundred ninety thousand, twenty-six".
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