### About the Number 464 (four hundred sixty-four)

One day MathBabbler entered his office and his office number 464 caught his attention. He noticed that 464 is the sum of two square numbers: 400 (20-squared) and 64 (8-squared).

The following information about the number 464 was generated by MBNA (MathBabbler's Number Analyst).

```   464 is not prime
464 proper divisors are: 1,2,4,8,16,29,58,116,232,
464 is abundant (sum of divisors is 466)
464 is happy
464 is not a Harshad number
464 is undulating
464 is palindromic
464 has the prime factors: 2*2*2*2*29
464 in octal is 0720
464 in hexadecimal is 0x1d0
464 in binary is 111010000 (is evil)
464 is the sum of 20-squared and 8-squared
464 nearest square numbers: -23...20 (441...484 )
sqrt(464) = 21.5407
ln(464) = 6.13988
log(464) = 2.66652
```
##### Update::2010.01.25

MathBabbler posted tweet# `464` on 25 January 2010. And the tweet was.

```   http://PurpleMath.com is an excellent resource
for learning about algebra.
```

The MBNA (MathBabbler Number Analyst) had changed quite a bit since this nBAB for the number `464` was created and the following is additional MBNA output.

```   464 reciprocal is .00215517241379310344827586206896
464! is 3.04881e+1037
464 is 147.696 Pi years
464 is 23 score and 4 years
464 written as a Roman numeral is CDLXIV
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 30 April 2008 (posted 4 May 2008) 