Base | Representation |
---|---|
bin | 10001001011000… |
… | …01100011101001 |
3 | 101001001201122001 |
4 | 20211201203221 |
5 | 243334221010 |
6 | 22143331001 |
7 | 3366304660 |
oct | 1045414351 |
9 | 331051561 |
10 | 144054505 |
11 | 74351311 |
12 | 402b0a61 |
13 | 23ac996a |
14 | 151bbdd7 |
15 | c9a7c3a |
hex | 89618e9 |
144054505 has 32 divisors (see below), whose sum is σ = 204390144. Its totient is φ = 95406336.
The previous prime is 144054503. The next prime is 144054517. The reversal of 144054505 is 505450441.
It is a cyclic number.
It is not a de Polignac number, because 144054505 - 21 = 144054503 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144054503) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223714 + ... + 224356.
It is an arithmetic number, because the mean of its divisors is an integer number (6387192).
Almost surely, 2144054505 is an apocalyptic number.
It is an amenable number.
144054505 is a deficient number, since it is larger than the sum of its proper divisors (60335639).
144054505 is a wasteful number, since it uses less digits than its factorization.
144054505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 865.
The product of its (nonzero) digits is 8000, while the sum is 28.
The square root of 144054505 is about 12002.2708268061. The cubic root of 144054505 is about 524.2144017543.
It can be divided in two parts, 1440 and 54505, that added together give a triangular number (55945 = T334).
The spelling of 144054505 in words is "one hundred forty-four million, fifty-four thousand, five hundred five".
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