490,448
490,448 is a composite number, even.
490,448 (four hundred ninety thousand four hundred forty-eight) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 7 × 29 × 151. Its proper divisors sum to 640,432, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77BD0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 844,094
- Square (n²)
- 240,539,240,704
- Cube (n³)
- 117,971,989,524,795,392
- Divisor count
- 40
- σ(n) — sum of divisors
- 1,130,880
- φ(n) — Euler's totient
- 201,600
- Sum of prime factors
- 195
Primality
Prime factorization: 2 4 × 7 × 29 × 151
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,448 = [700; (3, 7, 1, 21, 200, 21, 1, 7, 3, 1400)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety thousand four hundred forty-eight
- Ordinal
- 490448th
- Binary
- 1110111101111010000
- Octal
- 1675720
- Hexadecimal
- 0x77BD0
- Base64
- B3vQ
- One's complement
- 4,294,476,847 (32-bit)
- Scientific notation
- 4.90448 × 10⁵
- As a duration
- 490,448 s = 5 days, 16 hours, 14 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵υϟυμηʹ
- Chinese
- 四十九萬零四百四十八
- Chinese (financial)
- 肆拾玖萬零肆佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 490448, here are decompositions:
- 31 + 490417 = 490448
- 109 + 490339 = 490448
- 139 + 490309 = 490448
- 181 + 490267 = 490448
- 199 + 490249 = 490448
- 241 + 490207 = 490448
- 331 + 490117 = 490448
- 337 + 490111 = 490448
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.123.208.
- Address
- 0.7.123.208
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.123.208
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 490,448 and was likely granted around 1892.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.