Base | Representation |
---|---|
bin | 10001001101001… |
… | …00111100100010 |
3 | 101001120202021012 |
4 | 20212210330202 |
5 | 243422034110 |
6 | 22153300522 |
7 | 3401534501 |
oct | 1046447442 |
9 | 331522235 |
10 | 144330530 |
11 | 7451a733 |
12 | 40404742 |
13 | 23b954a6 |
14 | 15250838 |
15 | ca0e905 |
hex | 89a4f22 |
144330530 has 8 divisors (see below), whose sum is σ = 259794972. Its totient is φ = 57732208.
The previous prime is 144330503. The next prime is 144330533. The reversal of 144330530 is 35033441.
It can be written as a sum of positive squares in 2 ways, for example, as 130942249 + 13388281 = 11443^2 + 3659^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 144330496 and 144330505.
It is not an unprimeable number, because it can be changed into a prime (144330533) 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, 7216517 + ... + 7216536.
Almost surely, 2144330530 is an apocalyptic number.
144330530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144330530 is a deficient number, since it is larger than the sum of its proper divisors (115464442).
144330530 is a wasteful number, since it uses less digits than its factorization.
144330530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14433060.
The product of its (nonzero) digits is 2160, while the sum is 23.
The square root of 144330530 is about 12013.7641894620. The cubic root of 144330530 is about 524.5490064936.
Adding to 144330530 its reverse (35033441), we get a palindrome (179363971).
The spelling of 144330530 in words is "one hundred forty-four million, three hundred thirty thousand, five hundred thirty".
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