Base | Representation |
---|---|
bin | 10001001100101… |
… | …00100001110110 |
3 | 101001110100000200 |
4 | 20212110201312 |
5 | 243412411121 |
6 | 22152021330 |
7 | 3401134446 |
oct | 1046244166 |
9 | 331410020 |
10 | 144263286 |
11 | 74484162 |
12 | 40391846 |
13 | 23b709bb |
14 | 15234126 |
15 | c9e9a26 |
hex | 8994876 |
144263286 has 24 divisors (see below), whose sum is σ = 314646384. Its totient is φ = 47768400.
The previous prime is 144263281. The next prime is 144263293. The reversal of 144263286 is 682362441.
144263286 is a `hidden beast` number, since 14 + 4 + 2 + 632 + 8 + 6 = 666.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 144263286.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144263281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23821 + ... + 29256.
It is an arithmetic number, because the mean of its divisors is an integer number (13110266).
Almost surely, 2144263286 is an apocalyptic number.
144263286 is an abundant number, since it is smaller than the sum of its proper divisors (170383098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144263286 is a wasteful number, since it uses less digits than its factorization.
144263286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53236 (or 53233 counting only the distinct ones).
The product of its digits is 55296, while the sum is 36.
The square root of 144263286 is about 12010.9652401462. The cubic root of 144263286 is about 524.4675308864.
The spelling of 144263286 in words is "one hundred forty-four million, two hundred sixty-three thousand, two hundred eighty-six".
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