Base | Representation |
---|---|
bin | 10001001100011… |
… | …10111000000100 |
3 | 101001102011021010 |
4 | 20212032320010 |
5 | 243411141012 |
6 | 22151322220 |
7 | 3401010111 |
oct | 1046167004 |
9 | 331364233 |
10 | 144240132 |
11 | 74468823 |
12 | 40380370 |
13 | 23b632ba |
14 | 15229908 |
15 | c9e2c3c |
hex | 898ee04 |
144240132 has 48 divisors (see below), whose sum is σ = 350683200. Its totient is φ = 46103040.
The previous prime is 144240127. The next prime is 144240137. The reversal of 144240132 is 231042441.
It is an interprime number because it is at equal distance from previous prime (144240127) and next prime (144240137).
It is a junction number, because it is equal to n+sod(n) for n = 144240099 and 144240108.
It is not an unprimeable number, because it can be changed into a prime (144240137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26544 + ... + 31512.
It is an arithmetic number, because the mean of its divisors is an integer number (7305900).
Almost surely, 2144240132 is an apocalyptic number.
144240132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
144240132 is an abundant number, since it is smaller than the sum of its proper divisors (206443068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144240132 is a wasteful number, since it uses less digits than its factorization.
144240132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5076 (or 5074 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 144240132 is about 12010.0013322231. The cubic root of 144240132 is about 524.4394706842.
Adding to 144240132 its reverse (231042441), we get a palindrome (375282573).
The spelling of 144240132 in words is "one hundred forty-four million, two hundred forty thousand, one hundred thirty-two".
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