Base | Representation |
---|---|
bin | 10001001101001… |
… | …11100110110111 |
3 | 101001121022012221 |
4 | 20212213212313 |
5 | 243422411211 |
6 | 22153423211 |
7 | 3401611333 |
oct | 1046474667 |
9 | 331538187 |
10 | 144341431 |
11 | 74527943 |
12 | 4040ab07 |
13 | 23b9a440 |
14 | 152547c3 |
15 | ca12c71 |
hex | 89a79b7 |
144341431 has 4 divisors (see below), whose sum is σ = 155444632. Its totient is φ = 133238232.
The previous prime is 144341413. The next prime is 144341437. The reversal of 144341431 is 134143441.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 144341431 - 211 = 144339383 is a prime.
It is a super-2 number, since 2×1443414312 = 41668897406255522, 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 = 144341396 and 144341405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144341437) 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, 5551581 + ... + 5551606.
It is an arithmetic number, because the mean of its divisors is an integer number (38861158).
Almost surely, 2144341431 is an apocalyptic number.
144341431 is a deficient number, since it is larger than the sum of its proper divisors (11103201).
144341431 is a wasteful number, since it uses less digits than its factorization.
144341431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11103200.
The product of its digits is 2304, while the sum is 25.
The square root of 144341431 is about 12014.2178688419. The cubic root of 144341431 is about 524.5622122114.
Adding to 144341431 its reverse (134143441), we get a palindrome (278484872).
The spelling of 144341431 in words is "one hundred forty-four million, three hundred forty-one thousand, four hundred thirty-one".
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