Base | Representation |
---|---|
bin | 10001001010110… |
… | …10100100001100 |
3 | 101001000021100102 |
4 | 20211122210030 |
5 | 243332311433 |
6 | 22142550232 |
7 | 3366125330 |
oct | 1045324414 |
9 | 331007312 |
10 | 144025868 |
11 | 74331848 |
12 | 40298378 |
13 | 23ab990c |
14 | 151b17c0 |
15 | c99e4e8 |
hex | 895a90c |
144025868 has 12 divisors (see below), whose sum is σ = 288051792. Its totient is φ = 61725360.
The previous prime is 144025859. The next prime is 144025879. The reversal of 144025868 is 868520441.
It is a happy number.
144025868 is an admirable number.
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2571863 + ... + 2571918.
It is an arithmetic number, because the mean of its divisors is an integer number (24004316).
Almost surely, 2144025868 is an apocalyptic number.
It is an amenable number.
144025868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144025868 is a wasteful number, since it uses less digits than its factorization.
144025868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5143792 (or 5143790 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 38.
The square root of 144025868 is about 12001.0777849325. The cubic root of 144025868 is about 524.1796627674.
The spelling of 144025868 in words is "one hundred forty-four million, twenty-five thousand, eight hundred sixty-eight".
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