Base | Representation |
---|---|
bin | 10001001101101… |
… | …10111101110100 |
3 | 101001201111111220 |
4 | 20212312331310 |
5 | 243431414330 |
6 | 22155030340 |
7 | 3402262623 |
oct | 1046667564 |
9 | 331644456 |
10 | 144404340 |
11 | 74570133 |
12 | 4043b3b0 |
13 | 23bbcc72 |
14 | 1526d6ba |
15 | ca26710 |
hex | 89b6f74 |
144404340 has 96 divisors (see below), whose sum is σ = 429770880. Its totient is φ = 36158976.
The previous prime is 144404333. The next prime is 144404353. The reversal of 144404340 is 43404441.
It is a super-2 number, since 2×1444043402 = 41705226821671200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 144404340.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63259 + ... + 65501.
It is an arithmetic number, because the mean of its divisors is an integer number (4476780).
Almost surely, 2144404340 is an apocalyptic number.
144404340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144404340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214885440).
144404340 is an abundant number, since it is smaller than the sum of its proper divisors (285366540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144404340 is a wasteful number, since it uses less digits than its factorization.
144404340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2321 (or 2319 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 144404340 is about 12016.8356899810. The cubic root of 144404340 is about 524.6384086091.
Adding to 144404340 its reverse (43404441), we get a palindrome (187808781).
The spelling of 144404340 in words is "one hundred forty-four million, four hundred four thousand, three hundred forty".
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