Base | Representation |
---|---|
bin | 10001001100010… |
… | …00000011101111 |
3 | 101001100201221212 |
4 | 20212020003233 |
5 | 243404242312 |
6 | 22150545035 |
7 | 3400532516 |
oct | 1046100357 |
9 | 331321855 |
10 | 144212207 |
11 | 74449847 |
12 | 4036817b |
13 | 23b53689 |
14 | 1521d67d |
15 | c9d9822 |
hex | 89880ef |
144212207 has 8 divisors (see below), whose sum is σ = 154975536. Its totient is φ = 133702272.
The previous prime is 144212203. The next prime is 144212213. The reversal of 144212207 is 702212441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144212207 - 22 = 144212203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144212203) 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, 62168 + ... + 64445.
It is an arithmetic number, because the mean of its divisors is an integer number (19371942).
Almost surely, 2144212207 is an apocalyptic number.
144212207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
144212207 is a deficient number, since it is larger than the sum of its proper divisors (10763329).
144212207 is a wasteful number, since it uses less digits than its factorization.
144212207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126697.
The product of its (nonzero) digits is 896, while the sum is 23.
The square root of 144212207 is about 12008.8387032219. The cubic root of 144212207 is about 524.4056245388.
Adding to 144212207 its reverse (702212441), we get a palindrome (846424648).
The spelling of 144212207 in words is "one hundred forty-four million, two hundred twelve thousand, two hundred seven".
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