Base | Representation |
---|---|
bin | 10001001100001… |
… | …11110111101000 |
3 | 101001100200220011 |
4 | 20212013313220 |
5 | 243404231212 |
6 | 22150541304 |
7 | 3400530331 |
oct | 1046076750 |
9 | 331320804 |
10 | 144211432 |
11 | 74449202 |
12 | 40367834 |
13 | 23b53211 |
14 | 1521d288 |
15 | c9d94a7 |
hex | 8987de8 |
144211432 has 32 divisors (see below), whose sum is σ = 286561800. Its totient is φ = 67916800.
The previous prime is 144211429. The next prime is 144211439. The reversal of 144211432 is 234112441.
It is a happy number.
144211432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 93431556 + 50779876 = 9666^2 + 7126^2 .
It is not an unprimeable number, because it can be changed into a prime (144211439) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932 + ... + 17092.
Almost surely, 2144211432 is an apocalyptic number.
It is an amenable number.
144211432 is a deficient number, since it is larger than the sum of its proper divisors (142350368).
144211432 is a wasteful number, since it uses less digits than its factorization.
144211432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15237 (or 15233 counting only the distinct ones).
The product of its digits is 768, while the sum is 22.
The square root of 144211432 is about 12008.8064352791. The cubic root of 144211432 is about 524.4046851475.
Adding to 144211432 its reverse (234112441), we get a palindrome (378323873).
The spelling of 144211432 in words is "one hundred forty-four million, two hundred eleven thousand, four hundred thirty-two".
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