Base | Representation |
---|---|
bin | 10001001101111… |
… | …01010011111010 |
3 | 101001202211011111 |
4 | 20212331103322 |
5 | 243433232310 |
6 | 22155350534 |
7 | 3402431452 |
oct | 1046752372 |
9 | 331684144 |
10 | 144430330 |
11 | 74588710 |
12 | 4045244a |
13 | 23bcba45 |
14 | 15278d62 |
15 | ca2e28a |
hex | 89bd4fa |
144430330 has 32 divisors (see below), whose sum is σ = 287618688. Its totient is φ = 51777600.
The previous prime is 144430327. The next prime is 144430337. The reversal of 144430330 is 33034441.
It is a super-3 number, since 3×1444303303 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (144430337) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437 + ... + 17056.
It is an arithmetic number, because the mean of its divisors is an integer number (8988084).
Almost surely, 2144430330 is an apocalyptic number.
144430330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144430330 is a deficient number, since it is larger than the sum of its proper divisors (143188358).
144430330 is a wasteful number, since it uses less digits than its factorization.
144430330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18582.
The product of its (nonzero) digits is 1728, while the sum is 22.
The square root of 144430330 is about 12017.9170408187. The cubic root of 144430330 is about 524.6698816574.
Adding to 144430330 its reverse (33034441), we get a palindrome (177464771).
It can be divided in two parts, 14 and 4430330, that added together give a palindrome (4430344).
The spelling of 144430330 in words is "one hundred forty-four million, four hundred thirty thousand, three hundred thirty".
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