Base | Representation |
---|---|
bin | 10001001100001… |
… | …01001011011111 |
3 | 101001100010210010 |
4 | 20212011023133 |
5 | 243403403130 |
6 | 22150414303 |
7 | 3400453242 |
oct | 1046051337 |
9 | 331303703 |
10 | 144200415 |
11 | 744409a7 |
12 | 40361393 |
13 | 23b4b1b8 |
14 | 15219259 |
15 | c9d60b0 |
hex | 89852df |
144200415 has 16 divisors (see below), whose sum is σ = 234165888. Its totient is φ = 75758496.
The previous prime is 144200389. The next prime is 144200417. The reversal of 144200415 is 514002441.
It is a happy number.
144200415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 144200415 - 28 = 144200159 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 144200391 and 144200400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144200417) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70737 + ... + 72746.
It is an arithmetic number, because the mean of its divisors is an integer number (14635368).
Almost surely, 2144200415 is an apocalyptic number.
144200415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
144200415 is a deficient number, since it is larger than the sum of its proper divisors (89965473).
144200415 is a wasteful number, since it uses less digits than its factorization.
144200415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143558.
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 144200415 is about 12008.3477214811. The cubic root of 144200415 is about 524.3913308813.
Adding to 144200415 its reverse (514002441), we get a palindrome (658202856).
The spelling of 144200415 in words is "one hundred forty-four million, two hundred thousand, four hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •