Base | Representation |
---|---|
bin | 101011000100111… |
… | …0100010011110011 |
3 | 10201201210122102201 |
4 | 1112021310103303 |
5 | 10430011223011 |
6 | 355232124031 |
7 | 50550550240 |
oct | 12611642363 |
9 | 3651718381 |
10 | 1445414131 |
11 | 681998037 |
12 | 344096617 |
13 | 1a05bc745 |
14 | d9d745c7 |
15 | 86d65cc1 |
hex | 562744f3 |
1445414131 has 16 divisors (see below), whose sum is σ = 1670750208. Its totient is φ = 1224828000.
The previous prime is 1445414119. The next prime is 1445414149. The reversal of 1445414131 is 1314145441.
It is a cyclic number.
It is not a de Polignac number, because 1445414131 - 211 = 1445412083 is a prime.
It is a super-2 number, since 2×14454141312 = 4178444020188970322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1445414131.
It is not an unprimeable number, because it can be changed into a prime (1445414161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699606 + ... + 701668.
It is an arithmetic number, because the mean of its divisors is an integer number (104421888).
Almost surely, 21445414131 is an apocalyptic number.
1445414131 is a deficient number, since it is larger than the sum of its proper divisors (225336077).
1445414131 is a wasteful number, since it uses less digits than its factorization.
1445414131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3162.
The product of its digits is 3840, while the sum is 28.
The square root of 1445414131 is about 38018.6024335456. The cubic root of 1445414131 is about 1130.6567125348.
Adding to 1445414131 its reverse (1314145441), we get a palindrome (2759559572).
The spelling of 1445414131 in words is "one billion, four hundred forty-five million, four hundred fourteen thousand, one hundred thirty-one".
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