Base | Representation |
---|---|
bin | 11011101010000… |
… | …101110011111001 |
3 | 1012100010120222002 |
4 | 123222011303321 |
5 | 1422242044211 |
6 | 114013310345 |
7 | 14333044100 |
oct | 3352056371 |
9 | 1170116862 |
10 | 464018681 |
11 | 218a21115 |
12 | 10b4953b5 |
13 | 75197789 |
14 | 458ab037 |
15 | 2ab0c03b |
hex | 1ba85cf9 |
464018681 has 12 divisors (see below), whose sum is σ = 543223908. Its totient is φ = 395190432.
The previous prime is 464018669. The next prime is 464018683. The reversal of 464018681 is 186810464.
It can be written as a sum of positive squares in 2 ways, for example, as 48511225 + 415507456 = 6965^2 + 20384^2 .
It is not a de Polignac number, because 464018681 - 218 = 463756537 is a prime.
It is a super-2 number, since 2×4640186812 = 430626672633959522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (464018683) 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 11 ways as a sum of consecutive naturals, for example, 22466 + ... + 37851.
It is an arithmetic number, because the mean of its divisors is an integer number (45268659).
Almost surely, 2464018681 is an apocalyptic number.
It is an amenable number.
464018681 is a deficient number, since it is larger than the sum of its proper divisors (79205227).
464018681 is a wasteful number, since it uses less digits than its factorization.
464018681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60488 (or 60481 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 38.
The square root of 464018681 is about 21541.0928460002. The cubic root of 464018681 is about 774.1857176193.
The spelling of 464018681 in words is "four hundred sixty-four million, eighteen thousand, six hundred eighty-one".
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