Base | Representation |
---|---|
bin | 10001001101001… |
… | …01010011111111 |
3 | 101001120211022210 |
4 | 20212211103333 |
5 | 243422111111 |
6 | 22153311503 |
7 | 3401542044 |
oct | 1046452377 |
9 | 331524283 |
10 | 144332031 |
11 | 74520878 |
12 | 40405593 |
13 | 23b9608c |
14 | 152511cb |
15 | ca100a6 |
hex | 89a54ff |
144332031 has 8 divisors (see below), whose sum is σ = 192499840. Its totient is φ = 96192792.
The previous prime is 144332029. The next prime is 144332051. The reversal of 144332031 is 130233441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144332031 - 21 = 144332029 is a prime.
It is a super-2 number, since 2×1443320312 = 41663470345169922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144331989 and 144332007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144332051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11910 + ... + 20748.
It is an arithmetic number, because the mean of its divisors is an integer number (24062480).
Almost surely, 2144332031 is an apocalyptic number.
144332031 is a deficient number, since it is larger than the sum of its proper divisors (48167809).
144332031 is an equidigital number, since it uses as much as digits as its factorization.
144332031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14285.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 144332031 is about 12013.8266593122. The cubic root of 144332031 is about 524.5508248784.
Adding to 144332031 its reverse (130233441), we get a palindrome (274565472).
The spelling of 144332031 in words is "one hundred forty-four million, three hundred thirty-two thousand, thirty-one".
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