### About the Number 478 (four hundred seventy-eight)

478 was the smallest number without a nBAB on 25 May 2018. This nBAB for 478 shortly after the nBABs for 475, 476, and 477 were posted on the same.

```MathBabbler Number Analyst (MBNA) output:
=========================================
478 is natural, counting, whole, integer
478 is even (not odd)
478 proper divisors are: 1,2,239,
478 has 3 proper divisors
478 is deficient (sum of divisors is 242; ratio: 0.506276)
478 is happy
478 is a Squarefree Number
478 is composite (not prime)
478 has the prime factors: 2*239 (sum=241)
478 is semiprime (biprime or 2-almost prime)
478 is a 239-smooth number
478 in octal is 0736
478 in hexadecimal is 0x1de
478 in binary is 111011110 (is odious)
478 nearest square numbers: -37...6 (441...484 )
sqrt(478) = 21.8632
ln(478) = 6.16961
log(478) = 2.67943
478 is an apocalyptic power (2^478 contains 666)
478! is 8.17809e+1074
478 is 152.152 Pi years
478 is 23 score and 18 years
478 written as a Roman numeral is CDLXXVIII
_______
478 reciprocal is 0.00209205
remainders:
1,10,100,44,440,98,24,240,10
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 25 May 2018 