Base | Representation |
---|---|
bin | 11011101110011… |
… | …000111001001101 |
3 | 1012102020211120012 |
4 | 123232120321031 |
5 | 1423034123141 |
6 | 114053403005 |
7 | 14345446046 |
oct | 3356307115 |
9 | 1172224505 |
10 | 465145421 |
11 | 219620704 |
12 | 10b939465 |
13 | 754a05a0 |
14 | 45ac18cd |
15 | 2ac80ceb |
hex | 1bb98e4d |
465145421 has 8 divisors (see below), whose sum is σ = 517085184. Its totient is φ = 415514160.
The previous prime is 465145397. The next prime is 465145427. The reversal of 465145421 is 124541564.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 465145421 - 26 = 465145357 is a prime.
It is a super-3 number, since 3×4651454213 (a number of 27 digits) contains 333 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 (465145427) 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 7 ways as a sum of consecutive naturals, for example, 576701 + ... + 577506.
It is an arithmetic number, because the mean of its divisors is an integer number (64635648).
Almost surely, 2465145421 is an apocalyptic number.
It is an amenable number.
465145421 is a deficient number, since it is larger than the sum of its proper divisors (51939763).
465145421 is a wasteful number, since it uses less digits than its factorization.
465145421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1154251.
The product of its digits is 19200, while the sum is 32.
The square root of 465145421 is about 21567.2302579631. The cubic root of 465145421 is about 774.8118424941.
Adding to 465145421 its reverse (124541564), we get a palindrome (589686985).
The spelling of 465145421 in words is "four hundred sixty-five million, one hundred forty-five thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •