Base | Representation |
---|---|
bin | 10001001010110… |
… | …01011000010110 |
3 | 101001000000200122 |
4 | 20211121120112 |
5 | 243332133024 |
6 | 22142511542 |
7 | 3366105224 |
oct | 1045313026 |
9 | 331000618 |
10 | 144021014 |
11 | 74329135 |
12 | 402955b2 |
13 | 23ab7647 |
14 | 151adb14 |
15 | c99cd5e |
hex | 8959616 |
144021014 has 4 divisors (see below), whose sum is σ = 216031524. Its totient is φ = 72010506.
The previous prime is 144021013. The next prime is 144021023. The reversal of 144021014 is 410120441.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 144020983 and 144021001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144021011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36005252 + ... + 36005255.
It is an arithmetic number, because the mean of its divisors is an integer number (54007881).
Almost surely, 2144021014 is an apocalyptic number.
144021014 is a deficient number, since it is larger than the sum of its proper divisors (72010510).
144021014 is an equidigital number, since it uses as much as digits as its factorization.
144021014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72010509.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 144021014 is about 12000.8755513921. The cubic root of 144021014 is about 524.1737740182.
Adding to 144021014 its reverse (410120441), we get a palindrome (554141455).
The spelling of 144021014 in words is "one hundred forty-four million, twenty-one thousand, fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •