Base | Representation |
---|---|
bin | 10001010001010… |
… | …11100011000000 |
3 | 101002121202112200 |
4 | 20220223203000 |
5 | 244042204411 |
6 | 22213153200 |
7 | 3406322040 |
oct | 1050534300 |
9 | 332552480 |
10 | 144881856 |
11 | 74866979 |
12 | 4062b800 |
13 | 24029412 |
14 | 15355720 |
15 | cabce56 |
hex | 8a2b8c0 |
144881856 has 84 divisors (see below), whose sum is σ = 474616272. Its totient is φ = 41393664.
The previous prime is 144881851. The next prime is 144881903. The reversal of 144881856 is 658188441.
144881856 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (84).
It is not an unprimeable number, because it can be changed into a prime (144881851) 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, 13935 + ... + 21998.
Almost surely, 2144881856 is an apocalyptic number.
144881856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
144881856 is an abundant number, since it is smaller than the sum of its proper divisors (329734416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144881856 is a wasteful number, since it uses less digits than its factorization.
144881856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35958 (or 35945 counting only the distinct ones).
The product of its digits is 245760, while the sum is 45.
The square root of 144881856 is about 12036.6879165325. The cubic root of 144881856 is about 525.2160634480.
The spelling of 144881856 in words is "one hundred forty-four million, eight hundred eighty-one thousand, eight hundred fifty-six".
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