Base | Representation |
---|---|
bin | 10001001101000… |
… | …00001100001011 |
3 | 101001112202112202 |
4 | 20212200030023 |
5 | 243420423201 |
6 | 22153030415 |
7 | 3401423633 |
oct | 1046401413 |
9 | 331482482 |
10 | 144311051 |
11 | 74507035 |
12 | 403b540b |
13 | 23b89671 |
14 | 152476c3 |
15 | ca08c6b |
hex | 89a030b |
144311051 has 4 divisors (see below), whose sum is σ = 145349400. Its totient is φ = 143272704.
The previous prime is 144311017. The next prime is 144311059. The reversal of 144311051 is 150113441.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150113441 = 47 ⋅3193903.
It is a cyclic number.
It is not a de Polignac number, because 144311051 - 26 = 144310987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144311059) 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, 518966 + ... + 519243.
It is an arithmetic number, because the mean of its divisors is an integer number (36337350).
Almost surely, 2144311051 is an apocalyptic number.
144311051 is a deficient number, since it is larger than the sum of its proper divisors (1038349).
144311051 is a wasteful number, since it uses less digits than its factorization.
144311051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1038348.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 144311051 is about 12012.9534669872. The cubic root of 144311051 is about 524.5254075369.
Adding to 144311051 its reverse (150113441), we get a palindrome (294424492).
The spelling of 144311051 in words is "one hundred forty-four million, three hundred eleven thousand, fifty-one".
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