Base | Representation |
---|---|
bin | 101011000010010… |
… | …1110101101001000 |
3 | 10201122021212222100 |
4 | 1112010232231020 |
5 | 10424141033311 |
6 | 355143353400 |
7 | 50533324050 |
oct | 12604565510 |
9 | 3648255870 |
10 | 1444080456 |
11 | 681167025 |
12 | 343752860 |
13 | 1a02436a0 |
14 | d9b08560 |
15 | 86ba0a56 |
hex | 5612eb48 |
1444080456 has 96 divisors (see below), whose sum is σ = 4813623360. Its totient is φ = 380854656.
The previous prime is 1444080361. The next prime is 1444080457. The reversal of 1444080456 is 6540804441.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 1444080456.
It is not an unprimeable number, because it can be changed into a prime (1444080457) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103650 + ... + 116753.
It is an arithmetic number, because the mean of its divisors is an integer number (50141910).
Almost surely, 21444080456 is an apocalyptic number.
It is an amenable number.
1444080456 is an abundant number, since it is smaller than the sum of its proper divisors (3369542904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1444080456 is a wasteful number, since it uses less digits than its factorization.
1444080456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220435 (or 220428 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 36.
The square root of 1444080456 is about 38001.0586168333. The cubic root of 1444080456 is about 1130.3088554553.
Adding to 1444080456 its reverse (6540804441), we get a palindrome (7984884897).
The spelling of 1444080456 in words is "one billion, four hundred forty-four million, eighty thousand, four hundred fifty-six".
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