Base | Representation |
---|---|
bin | 10001001011001… |
… | …11101110101001 |
3 | 101001010000022100 |
4 | 20211213232221 |
5 | 243341023120 |
6 | 22144044013 |
7 | 3366441453 |
oct | 1045475651 |
9 | 331100270 |
10 | 144079785 |
11 | 74369303 |
12 | 40303609 |
13 | 23b08315 |
14 | 151c72d3 |
15 | c9b0490 |
hex | 8967ba9 |
144079785 has 48 divisors (see below), whose sum is σ = 259683840. Its totient is φ = 73820160.
The previous prime is 144079729. The next prime is 144079807. The reversal of 144079785 is 587970441.
It is a happy number.
It is not a de Polignac number, because 144079785 - 210 = 144078761 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 144079785.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249417 + ... + 249993.
It is an arithmetic number, because the mean of its divisors is an integer number (5410080).
Almost surely, 2144079785 is an apocalyptic number.
144079785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
144079785 is a deficient number, since it is larger than the sum of its proper divisors (115604055).
144079785 is a wasteful number, since it uses less digits than its factorization.
144079785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 798 (or 795 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 45.
The square root of 144079785 is about 12003.3239146496. The cubic root of 144079785 is about 524.2450646041.
It can be divided in two parts, 1440 and 79785, that added together give a square (81225 = 2852).
The spelling of 144079785 in words is "one hundred forty-four million, seventy-nine thousand, seven hundred eighty-five".
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