Base | Representation |
---|---|
bin | 101011101000110… |
… | …1001101110010111 |
3 | 10210001020100201121 |
4 | 1113101221232113 |
5 | 10444321321033 |
6 | 401143504411 |
7 | 51166610164 |
oct | 12721515627 |
9 | 3701210647 |
10 | 1464245143 |
11 | 69158a059 |
12 | 34a458107 |
13 | 1a4483a5a |
14 | dc67706b |
15 | 8883562d |
hex | 57469b97 |
1464245143 has 4 divisors (see below), whose sum is σ = 1464494040. Its totient is φ = 1463996248.
The previous prime is 1464245131. The next prime is 1464245149. The reversal of 1464245143 is 3415424641.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3415424641 = 19501 ⋅175141.
It is a cyclic number.
It is not a de Polignac number, because 1464245143 - 213 = 1464236951 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1464245099 and 1464245108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1464245149) 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, 115405 + ... + 127462.
It is an arithmetic number, because the mean of its divisors is an integer number (366123510).
Almost surely, 21464245143 is an apocalyptic number.
1464245143 is a deficient number, since it is larger than the sum of its proper divisors (248897).
1464245143 is an equidigital number, since it uses as much as digits as its factorization.
1464245143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248896.
The product of its digits is 46080, while the sum is 34.
The square root of 1464245143 is about 38265.4562627966. The cubic root of 1464245143 is about 1135.5456484851.
Adding to 1464245143 its reverse (3415424641), we get a palindrome (4879669784).
The spelling of 1464245143 in words is "one billion, four hundred sixty-four million, two hundred forty-five thousand, one hundred forty-three".
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