Base | Representation |
---|---|
bin | 11011101110000… |
… | …000011011101111 |
3 | 1012102001202010110 |
4 | 123232000123233 |
5 | 1423022421411 |
6 | 114051311103 |
7 | 14344551000 |
oct | 3356003357 |
9 | 1172052113 |
10 | 465045231 |
11 | 219562402 |
12 | 10b8ab493 |
13 | 75466ac1 |
14 | 45a971a7 |
15 | 2ac612a6 |
hex | 1bb806ef |
465045231 has 16 divisors (see below), whose sum is σ = 723104000. Its totient is φ = 265739544.
The previous prime is 465045227. The next prime is 465045233. The reversal of 465045231 is 132540564.
It is not a de Polignac number, because 465045231 - 22 = 465045227 is a prime.
It is a super-2 number, since 2×4650452312 = 432534133751686722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (465045233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224941 + ... + 226998.
It is an arithmetic number, because the mean of its divisors is an integer number (45194000).
Almost surely, 2465045231 is an apocalyptic number.
465045231 is a deficient number, since it is larger than the sum of its proper divisors (258058769).
465045231 is an equidigital number, since it uses as much as digits as its factorization.
465045231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 451963 (or 451949 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 465045231 is about 21564.9073960451. The cubic root of 465045231 is about 774.7562082994.
Adding to 465045231 its reverse (132540564), we get a palindrome (597585795).
The spelling of 465045231 in words is "four hundred sixty-five million, forty-five thousand, two hundred thirty-one".
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