Base | Representation |
---|---|
bin | 10001001111010… |
… | …01001011111000 |
3 | 101002002221200102 |
4 | 20213221023320 |
5 | 244010010130 |
6 | 22203254532 |
7 | 3404110421 |
oct | 1047511370 |
9 | 332087612 |
10 | 144610040 |
11 | 746a0733 |
12 | 4051a448 |
13 | 23c62793 |
14 | 152c4648 |
15 | ca67645 |
hex | 89e92f8 |
144610040 has 64 divisors (see below), whose sum is σ = 338688000. Its totient is φ = 55509120.
The previous prime is 144610033. The next prime is 144610051. The reversal of 144610040 is 40016441.
It is a happy number.
144610040 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 (20).
It is a junction number, because it is equal to n+sod(n) for n = 144609994 and 144610021.
It is a congruent number.
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, 171941 + ... + 172779.
It is an arithmetic number, because the mean of its divisors is an integer number (5292000).
Almost surely, 2144610040 is an apocalyptic number.
144610040 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 144610040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169344000).
144610040 is an abundant number, since it is smaller than the sum of its proper divisors (194077960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144610040 is a wasteful number, since it uses less digits than its factorization.
144610040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1020 (or 1016 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 144610040 is about 12025.3914697194. The cubic root of 144610040 is about 524.8874014003.
Adding to 144610040 its reverse (40016441), we get a palindrome (184626481).
The spelling of 144610040 in words is "one hundred forty-four million, six hundred ten thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •