Base | Representation |
---|---|
bin | 10001001110001… |
… | …00101011110010 |
3 | 101001211100121000 |
4 | 20213010223302 |
5 | 243440214110 |
6 | 22200142430 |
7 | 3402615504 |
oct | 1047045362 |
9 | 331740530 |
10 | 144460530 |
11 | 745a9375 |
12 | 40467a16 |
13 | 23c0c706 |
14 | 15285d74 |
15 | ca381c0 |
hex | 89c4af2 |
144460530 has 64 divisors (see below), whose sum is σ = 387089280. Its totient is φ = 38336832.
The previous prime is 144460501. The next prime is 144460531. The reversal of 144460530 is 35064441.
144460530 is a `hidden beast` number, since 14 + 44 + 605 + 3 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 144460494 and 144460503.
It is not an unprimeable number, because it can be changed into a prime (144460531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60112 + ... + 62468.
It is an arithmetic number, because the mean of its divisors is an integer number (6048270).
Almost surely, 2144460530 is an apocalyptic number.
144460530 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 144460530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193544640).
144460530 is an abundant number, since it is smaller than the sum of its proper divisors (242628750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144460530 is a wasteful number, since it uses less digits than its factorization.
144460530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2600 (or 2594 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 144460530 is about 12019.1734324786. The cubic root of 144460530 is about 524.7064481370.
It can be divided in two parts, 14 and 4460530, that added together give a square (4460544 = 21122).
The spelling of 144460530 in words is "one hundred forty-four million, four hundred sixty thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •