Base | Representation |
---|---|
bin | 10001001110110… |
… | …00011101011010 |
3 | 101001222110201000 |
4 | 20213120131122 |
5 | 244000312110 |
6 | 22202005430 |
7 | 3403403610 |
oct | 1047303532 |
9 | 331873630 |
10 | 144541530 |
11 | 74654211 |
12 | 404a6876 |
13 | 23c3a543 |
14 | 152a76b0 |
15 | ca521c0 |
hex | 89d875a |
144541530 has 128 divisors (see below), whose sum is σ = 454901760. Its totient is φ = 31959360.
The previous prime is 144541517. The next prime is 144541559. The reversal of 144541530 is 35145441.
It is a happy number.
144541530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 144541494 and 144541503.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57357 + ... + 59823.
It is an arithmetic number, because the mean of its divisors is an integer number (3553920).
Almost surely, 2144541530 is an apocalyptic number.
144541530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 144541530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227450880).
144541530 is an abundant number, since it is smaller than the sum of its proper divisors (310360230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144541530 is a wasteful number, since it uses less digits than its factorization.
144541530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2521 (or 2515 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 144541530 is about 12022.5425763438. The cubic root of 144541530 is about 524.8044986361.
Adding to 144541530 its reverse (35145441), we get a palindrome (179686971).
The spelling of 144541530 in words is "one hundred forty-four million, five hundred forty-one thousand, five hundred thirty".
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