489,480
489,480 is a composite number, even.
489,480 (four hundred eighty-nine thousand four hundred eighty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 3 × 5 × 4,079. Its proper divisors sum to 979,320, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77808.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 33
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 84,984
- Square (n²)
- 239,590,670,400
- Cube (n³)
- 117,274,841,347,392,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,468,800
- φ(n) — Euler's totient
- 130,496
- Sum of prime factors
- 4,093
Primality
Prime factorization: 2 3 × 3 × 5 × 4079
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√489,480 = [699; (1, 1, 1, 2, 4, 8, 19, 1, 1, 2, 2, 1, 1, 10, 3, 1, 5, 10, 8, 1, 2, 2, 1, 4, …)]
Period length 60 — the block in parentheses repeats forever.
Representations
- In words
- four hundred eighty-nine thousand four hundred eighty
- Ordinal
- 489480th
- Binary
- 1110111100000001000
- Octal
- 1674010
- Hexadecimal
- 0x77808
- Base64
- B3gI
- One's complement
- 4,294,477,815 (32-bit)
- Scientific notation
- 4.8948 × 10⁵
- As a duration
- 489,480 s = 5 days, 15 hours, 58 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵υπθυπʹ
- Chinese
- 四十八萬九千四百八十
- Chinese (financial)
- 肆拾捌萬玖仟肆佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 489480, here are decompositions:
- 23 + 489457 = 489480
- 31 + 489449 = 489480
- 41 + 489439 = 489480
- 53 + 489427 = 489480
- 71 + 489409 = 489480
- 73 + 489407 = 489480
- 113 + 489367 = 489480
- 137 + 489343 = 489480
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.120.8.
- Address
- 0.7.120.8
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.120.8
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 489,480 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°.