Base | Representation |
---|---|
bin | 10001001101001… |
… | …10111100000000 |
3 | 101001121011110100 |
4 | 20212212330000 |
5 | 243422314223 |
6 | 22153402400 |
7 | 3401600334 |
oct | 1046467400 |
9 | 331534410 |
10 | 144338688 |
11 | 7452587a |
12 | 40409400 |
13 | 23b99110 |
14 | 152537c4 |
15 | ca12043 |
hex | 89a6f00 |
144338688 has 216 divisors, whose sum is σ = 461289920. Its totient is φ = 43130880.
The previous prime is 144338671. The next prime is 144338693. The reversal of 144338688 is 886833441.
It is a super-2 number, since 2×1443386882 = 41667313707122688, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1827033 + ... + 1827111.
Almost surely, 2144338688 is an apocalyptic number.
144338688 is a gapful number since it is divisible by the number (18) 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 144338688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230644960).
144338688 is an abundant number, since it is smaller than the sum of its proper divisors (316951232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144338688 is a wasteful number, since it uses less digits than its factorization.
144338688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175 (or 158 counting only the distinct ones).
The product of its digits is 442368, while the sum is 45.
The square root of 144338688 is about 12014.1037118880. The cubic root of 144338688 is about 524.5588893418.
The spelling of 144338688 in words is "one hundred forty-four million, three hundred thirty-eight thousand, six hundred eighty-eight".
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