Base | Representation |
---|---|
bin | 10001010010001… |
… | …00111011001100 |
3 | 101002211001010121 |
4 | 20221010323030 |
5 | 244104021204 |
6 | 22215314324 |
7 | 3410234065 |
oct | 1051047314 |
9 | 332731117 |
10 | 144985804 |
11 | 74927a87 |
12 | 4067b9a4 |
13 | 24064822 |
14 | 1538156c |
15 | caddb54 |
hex | 8a44ecc |
144985804 has 12 divisors (see below), whose sum is σ = 253843128. Its totient is φ = 72459200.
The previous prime is 144985801. The next prime is 144985817. The reversal of 144985804 is 408589441.
It is not an unprimeable number, because it can be changed into a prime (144985801) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2964 + ... + 17284.
It is an arithmetic number, because the mean of its divisors is an integer number (21153594).
Almost surely, 2144985804 is an apocalyptic number.
It is an amenable number.
144985804 is a deficient number, since it is larger than the sum of its proper divisors (108857324).
144985804 is a wasteful number, since it uses less digits than its factorization.
144985804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16856 (or 16854 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 43.
The square root of 144985804 is about 12041.0051075481. The cubic root of 144985804 is about 525.3416418775.
It can be divided in two parts, 14498 and 5804, that added together give a palindrome (20302).
The spelling of 144985804 in words is "one hundred forty-four million, nine hundred eighty-five thousand, eight hundred four".
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