Base | Representation |
---|---|
bin | 10001001101001… |
… | …11101111111101 |
3 | 101001121100000111 |
4 | 20212213233331 |
5 | 243422421023 |
6 | 22153430021 |
7 | 3401613124 |
oct | 1046475775 |
9 | 331540014 |
10 | 144342013 |
11 | 74528322 |
12 | 4040b311 |
13 | 23b9a79a |
14 | 15254abb |
15 | ca1300d |
hex | 89a7bfd |
144342013 has 4 divisors (see below), whose sum is σ = 147698848. Its totient is φ = 140985180.
The previous prime is 144342007. The next prime is 144342041. The reversal of 144342013 is 310243441.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 144342013 - 213 = 144333821 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144342073) 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, 1678353 + ... + 1678438.
It is an arithmetic number, because the mean of its divisors is an integer number (36924712).
Almost surely, 2144342013 is an apocalyptic number.
It is an amenable number.
144342013 is a deficient number, since it is larger than the sum of its proper divisors (3356835).
144342013 is an equidigital number, since it uses as much as digits as its factorization.
144342013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3356834.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 144342013 is about 12014.2420901195. The cubic root of 144342013 is about 524.5629172407.
Adding to 144342013 its reverse (310243441), we get a palindrome (454585454).
The spelling of 144342013 in words is "one hundred forty-four million, three hundred forty-two thousand, thirteen".
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