Base | Representation |
---|---|
bin | 10001001100110… |
… | …10000000000111 |
3 | 101001111110202221 |
4 | 20212122000013 |
5 | 243414120303 |
6 | 22152313211 |
7 | 3401260012 |
oct | 1046320007 |
9 | 331443687 |
10 | 144285703 |
11 | 74499a91 |
12 | 403a2807 |
13 | 23b7ac73 |
14 | 1523c379 |
15 | ca014bd |
hex | 899a007 |
144285703 has 4 divisors (see below), whose sum is σ = 146317968. Its totient is φ = 142253440.
The previous prime is 144285697. The next prime is 144285719. The reversal of 144285703 is 307582441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307582441 = 97 ⋅3170953.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-144285703 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144285733) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016026 + ... + 1016167.
It is an arithmetic number, because the mean of its divisors is an integer number (36579492).
Almost surely, 2144285703 is an apocalyptic number.
144285703 is a deficient number, since it is larger than the sum of its proper divisors (2032265).
144285703 is an equidigital number, since it uses as much as digits as its factorization.
144285703 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2032264.
The product of its (nonzero) digits is 26880, while the sum is 34.
The square root of 144285703 is about 12011.8983928437. The cubic root of 144285703 is about 524.4946950620.
The spelling of 144285703 in words is "one hundred forty-four million, two hundred eighty-five thousand, seven hundred three".
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