Base | Representation |
---|---|
bin | 10001001101000… |
… | …00011110100110 |
3 | 101001112211011102 |
4 | 20212200132212 |
5 | 243420442410 |
6 | 22153040102 |
7 | 3401430236 |
oct | 1046403646 |
9 | 331484142 |
10 | 144312230 |
11 | 74507a07 |
12 | 403b6032 |
13 | 23b8a06a |
14 | 15247cc6 |
15 | ca092a5 |
hex | 89a07a6 |
144312230 has 16 divisors (see below), whose sum is σ = 264165840. Its totient is φ = 56746272.
The previous prime is 144312229. The next prime is 144312241. The reversal of 144312230 is 32213441.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121709 + ... + 122888.
It is an arithmetic number, because the mean of its divisors is an integer number (16510365).
Almost surely, 2144312230 is an apocalyptic number.
144312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144312230 is a deficient number, since it is larger than the sum of its proper divisors (119853610).
144312230 is a wasteful number, since it uses less digits than its factorization.
144312230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244663.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 144312230 is about 12013.0025389159. The cubic root of 144312230 is about 524.5268359647.
Adding to 144312230 its reverse (32213441), we get a palindrome (176525671).
It can be divided in two parts, 14431 and 2230, that added together give a palindrome (16661).
The spelling of 144312230 in words is "one hundred forty-four million, three hundred twelve thousand, two hundred thirty".
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