Base | Representation |
---|---|
bin | 10001001111101… |
… | …11101001001100 |
3 | 101002012221220202 |
4 | 20213313221030 |
5 | 244013404020 |
6 | 22204433032 |
7 | 3404445161 |
oct | 1047675114 |
9 | 332187822 |
10 | 144669260 |
11 | 7473117a |
12 | 40548778 |
13 | 23c83718 |
14 | 152dc068 |
15 | ca79e75 |
hex | 89f7a4c |
144669260 has 48 divisors (see below), whose sum is σ = 314514144. Its totient is φ = 55853568.
The previous prime is 144669257. The next prime is 144669289. The reversal of 144669260 is 62966441.
It is a happy number.
It is a super-3 number, since 3×1446692603 (a number of 25 digits) contains 333 as substring.
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, 100667 + ... + 102093.
It is an arithmetic number, because the mean of its divisors is an integer number (6552378).
Almost surely, 2144669260 is an apocalyptic number.
144669260 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 144669260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157257072).
144669260 is an abundant number, since it is smaller than the sum of its proper divisors (169844884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144669260 is a wasteful number, since it uses less digits than its factorization.
144669260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1610 (or 1608 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 38.
The square root of 144669260 is about 12027.8535075881. The cubic root of 144669260 is about 524.9590414003.
The spelling of 144669260 in words is "one hundred forty-four million, six hundred sixty-nine thousand, two hundred sixty".
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