Base | Representation |
---|---|
bin | 10001001110000… |
… | …00110110000111 |
3 | 101001210120000200 |
4 | 20213000312013 |
5 | 243434213212 |
6 | 22155541543 |
7 | 3402521613 |
oct | 1047006607 |
9 | 331716020 |
10 | 144444807 |
11 | 74598581 |
12 | 4045a8b3 |
13 | 23c05500 |
14 | 15280343 |
15 | ca336dc |
hex | 89c0d87 |
144444807 has 36 divisors (see below), whose sum is σ = 235806480. Its totient is φ = 85003776.
The previous prime is 144444787. The next prime is 144444809. The reversal of 144444807 is 708444441.
It is not a de Polignac number, because 144444807 - 28 = 144444551 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144444809) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32919 + ... + 37047.
It is an arithmetic number, because the mean of its divisors is an integer number (6550180).
Almost surely, 2144444807 is an apocalyptic number.
144444807 is a deficient number, since it is larger than the sum of its proper divisors (91361673).
144444807 is a wasteful number, since it uses less digits than its factorization.
144444807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4184 (or 4168 counting only the distinct ones).
The product of its (nonzero) digits is 57344, while the sum is 36.
The square root of 144444807 is about 12018.5193347600. The cubic root of 144444807 is about 524.6874111982.
The spelling of 144444807 in words is "one hundred forty-four million, four hundred forty-four thousand, eight hundred seven".
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